Patent US3326172A successfully refreshed from Google Patents.
US3326172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Explosive cutter for moored mine cables
Assignee: Individual
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Filing: 1962-11-14
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Granted: 1967-06-20
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Expires: 1982-11-14
Abstract
No abstract record available.
Inventors
- 👤 Louis A Kish
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:33
CPC Classifications
B; B63; B63G; B63G7/00; B63G7/02; B63G7/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
A DEVICE ADAPTED TO BE EMPLOYED IN SWEEPING MOORED MINES A HOUSING HAVING A TWO-FORKED NOTCHED OPEN END AND A CLOSED END, A SPRING LOADED BARREL MEMBER MOVABLE WITHIN THE HOUSING AGAINST THE FORCE OF THE SPRING TO A COCKED POSITION AND MOVABLE BY THE FORCE OF THE SPRING WHEN RELEASED FROM COCKED POSITION TO THE CLOSED END OF THE HOUSING, A CHISEL MEMBER MOUNTED IN SAID BARREL AND HAVING A CUTTING END EXTENDING INTO THE NOTCHED OPEN END OF THE HOUSING, EXPLOSIVE MEANS CONTAINED IN SAID BARREL FOR DRIVING THE CHISEL MEMBER OUTWARDLY THROUGH THE NOTCHED OPEN END OF SAID HOUSING, A TRIGGER PIN ENGAGING SAID BARREL TO HOLD IT IN COCKED POSITION AND ADAPTED TO BE SHEARED BY THE PRESSURE OF A MOORING LINE ENTERING SAID NOTCHED OPEN END AND BEARING AGAINST THE CUTTING END OF SAID CHISEL, AND MEANS OPERATIVE UPON THE MOVEMENT OF SAID BARREL TO THE CLOSED END OF SAID HOUSING FOR FIRING THE EXPLOSIVE MEANS.
Claim 2
Independent Claim
161 words
A DEVICE ADAPTED TO BE EMPLOYED IN SWEEPING MOORED MINES A HOUSING HAVING A TWO-FORKED NOTCHED OPEN END AND A CLOSED END, A SPRING LOADED BARREL MEMBER MOVABLE WITHIN THE HOUSING AGAINST THE FORCE OF THE SPRING TO A COCKED POSITION AND MOVABLE BY THE FORCE OF THE SPRING WHEN RELEASED FROM COCKED POSITION TO THE CLOSED END OF THE HOUSING, A CHISEL MEMBER MOUNTED IN SAID BARREL AND HAVING A CUTTING END EXTENDING INTO THE NOTCHED OPEN END OF THE HOUSING, EXPLOSIVE MEANS CONTAINED IN SAID BARREL FOR DRIVING THE CHISEL MEMBER OUTWARDLY THROUGH THE NOTCHED OPEN END OF SAID HOUSING, A TRIGGER PIN ENGAGING SAID BARREL TO HOLD IT IN COCKED POSITION AND ADAPTED TO BE SHEARED BY THE PRESSURE OF A MOORING LINE ENTERING SAID NOTCHED OPEN END AND BEARING AGAINST THE CUTTING END OF SAID CHISEL, AND MEANS OPERATIVE UPON THE MOVEMENT OF SAID BARREL TO THE CLOSED END OF SAID HOUSING FOR FIRING THE EXPLOSIVE MEANS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-19 | 1970-12-19 | 1971-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-19 | 1974-12-19 | 1975-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-19 | 1978-12-19 | 1979-06-20 | $7700.00 | Window Closed / Lapsed |