HOFFCO Incorporated
Records under this name other than the patents HOFFCO Incorporated holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned. None of them is counted in the 1 patents it holds.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US D672,588 | Arched stemware holder Formerly held In force · From the USPTO record | In force | From the USPTO record | |
| US 6,672,691 | Control Mechanism for Tambour-Style Door Closures Formerly held Term ended Term ended May 30, 2022 · High confidence | Term ended | Term ended May 30, 2022 | High confidence |
| US 6,481,586 | Reversible Shelving Unit Formerly held Term ended Term ended Aug 23, 2021 · High confidence | Term ended | Term ended Aug 23, 2021 | High confidence |
| US 6,155,940 | Adjustable cam weights for torque converter Formerly held Lapsed on the fee record Ended Dec 5, 2008 · From the USPTO record | Lapsed on the fee record | Ended Dec 5, 2008 | From the USPTO record |
| US 4,035,994 | Lawn mower blade control apparatus Term ended Term ended no later than Jul 19, 1997 · Low confidence | Term ended | Term ended no later than Jul 19, 1997 | Low confidence |
| US 4,088,210 | Clutches with brake for implements Term ended Term ended no later than May 9, 1998 · Low confidence | Term ended | Term ended no later than May 9, 1998 | Low confidence |
| US 4,102,214 | Variable-speed pulley and clutch Term ended Term ended no later than Jul 25, 1998 · Low confidence | Term ended | Term ended no later than Jul 25, 1998 | Low confidence |
| US 4,126,928 | Method of making a shaft assembly Term ended Term ended no later than Nov 28, 1998 · Low confidence | Term ended | Term ended no later than Nov 28, 1998 | Low confidence |
| US 4,148,141 | Lawn trimmer cutter head Term ended Term ended no later than Apr 10, 1999 · Low confidence | Term ended | Term ended no later than Apr 10, 1999 | Low confidence |
| US 4,148,173 | Lawn mower blade control apparatus Term ended Term ended no later than Apr 10, 1999 · Low confidence | Term ended | Term ended no later than Apr 10, 1999 | Low confidence |