Blücher GmbH
1 more in force is now held by another company
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
Recorded under 4 name spellings.
21
Ending by 2030
Feb 2027
Next term end
When these terms end
Held patents by the year their term ends
20262027202820292030203120322033203420352036203720382039204020412042204320442045
Fee deadlines
Maintenance fees fall due 3.5, 7.5 and 11.5 years after grant. A missed fee ends a patent at the end of the six month grace period that follows, not on the due date.
- 1 fee due Nov 23, 2026The maintenance fee for Method for producing activated carbon and activated carbon obtained in this way and use thereof (US 11,655,155) comes due Nov 23, 2026. Unpaid by May 24, 2027, it lapses early.
- 1 fee due Jan 16, 2027The maintenance fee for Functional protective material, in particular for use in protective clothing (US 10,350,854) comes due Jan 16, 2027. Unpaid by Jul 16, 2027, it lapses early.
- 2 fees due May 14 to 17, 2027 · next May 14
- 2 fees due Jul 14 to 26, 2027 · next Jul 14
- 1 fee due Oct 9, 2027The maintenance fee for Protective clothing unit having preferably textile fragment protection equipment (US 11,953,292) comes due Oct 9, 2027. Unpaid by Apr 10, 2028, it lapses early.
Recent changes
Nothing was recorded against this company's patents in the last 90 days.
Patents held now
Soonest term end first. Each date below is computed on that patent's own page, which shows the rule, the adjustments and the fee history it was derived from.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,891,020 | Functional apparel item, in particular NBC protective apparel with integrated measuring appliance In force · From the USPTO record | In force | From the USPTO record | |
| US 7,582,578 | Textile composite material comprising activated carbon fibres and production thereof In force · From the USPTO record | In force | From the USPTO record | |
| US 7,700,501 | Adsorptive filtering material having biological and chemical protective function and use thereof In force · From the USPTO record | In force | From the USPTO record | |
| US 8,176,659 | Protective footwear In force · From the USPTO record | In force | From the USPTO record | |
| US 8,021,463 | Method for producing spherical activated carbon In force · From the USPTO record | In force | From the USPTO record | |
| US 7,737,083 | High performance adsorbents based on activated carbon of high microporosity In force · From the USPTO record | In force | From the USPTO record | |
| US 8,062,411 | Adsorptive filtering material with integrated particle-and/or aerosol-filtering function and use thereof In force · From the USPTO record | In force | From the USPTO record | |
| US 8,232,226 | Method for producing spherical activated carbon In force · From the USPTO record | In force | From the USPTO record | |
| US 7,759,274 | Support material comprising catalytically active polymer particles In force · From the USPTO record | In force | From the USPTO record | |
| US 8,366,816 | Adsorption filter material with integrated particle- and/or aerosolfiltering function and its use In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 46: 1 patent in force now held by others · 21 lapsed for an unpaid fee · 24 ended at full term. List them
Sources and methods
Compiled from the USPTO record, grants, published applications and recorded assignments, not yet reviewed by hand.
How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
Published applications
US patent applications published under this name that have not become patents. An application is published about eighteen months after its earliest filing; one that has not been published is in no public record.
3 pending · 5 no status recorded