US3587173A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal-cutting shears
Assignee: A M HEXDALL CO
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Filing: 1968-10-21
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Granted: 1971-06-28
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Expires: 1988-10-21
Abstract
Abstract A METAL-CUTTING SHEAR WITH LATERALLY OFFSET CUTTING BLADES FORMED WITH CONVEX CUTTING EDGES AND PIVOTED ABOUT A BOLT HAVING TAPERED HEAD, NUT AND LOCKNUT PORTIONS IS DISCLOSED IN ONE EMBODIMENT. IN ANOTHER EMBODIMENT ONE CENTRALLY LOCATED BLADE OPERATES BETWEEN A PAIR OF LATERALLY SPACED BLADES, A HANDLE AND LIND ARRANGEMENT WITH FIXED LENGTH RIVETS IS PROVIDED FOR OPERATING THE BLADES OF EITHER EMBODIMENT.
Inventors
- 👤 Andrew M Hexdall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:04
CPC Classifications
B; B23; B23D; B23D29/00; B23D29/02; B23D29/026
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |