US3561023A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ax with replaceable tools
Assignee: Individual
•
Filing: 1969-01-10
•
Granted: 1971-02-09
•
Expires: 1989-01-10
Abstract
Abstract AN AX WITH A FLAT TOP ON ITS POLL, A NARROW LUG PROJECTING FROM THE TOP AND HAVING A RECESS IN ITS EDGE FACING TOWARD THE SHARP EDGE OF THE AX, AND SECURING FLANGE ON EACH ATTACHMENT TOOL HAVING A SLOT SLIDEABLE OVER THE LUG TO REST FLAT ON SAID POLL TOP, AND A CLAMPING FORK HELD IN THE RECESS AND STRADDLING THE LUG WITH LIMITED PLAY, A KEEPER POCKET IN THE FLANGE SPACED FROM THE LUG AND A SET SCREW THROUGH THE BASE OF THE CLAMPING FORK ENGAGING SAID KEEPER POCKET TO TIGHTLY CLAMP THE FLANGE OF THE ATTACHMENT TOOL TO THE LUG AND TO THE TOP OF THE POLL OF THE AX.
Inventors
- 👤 Frederick Shandel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:20
CPC Classifications
B; B25; B25F; B25F1/00; B25F1/02
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) | 1974-02-08 | 1974-08-10 | 1975-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-08 | 1978-08-10 | 1979-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-08 | 1982-08-10 | 1983-02-09 | $7700.00 | Window Closed / Lapsed |