Patent US3137957A successfully refreshed from Google Patents.
US3137957A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety device for firearms
Assignee: Individual
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Filing: 1962-07-19
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Granted: 1964-06-23
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Expires: 1982-07-19
Abstract
No abstract record available.
Inventors
- 👤 Bradford W Ingalls
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:19
CPC Classifications
F; F41; F41A; F41A17/00; F41A17/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
IN A SAFETY DEVICE FOR FIREARMS HAVING A BARREL WITH A BREECH END, INCLUDING A CARTRIDGE HEAD RECESS, THE COMBINATION OF AN ELONGATED FLEXIBLE MEMBER HAVING TWO ENDS AND BEING INSERTABLE INTO SAID BREECH END AND THROUGH SAID BARREL, A PLASTIC COATING COVERING SAID FLEXIBLE MEMBER TO PROTECT THE INTERIOR OF SAID BARREL, A HEAD ON ONE OF SAID ENDS OF SAID FLEXIBLE MEMBER ADAPTED TO SEAT IN THE CARTRIDGE HEAD RECESS, A HARDENED STEEL TIP ON THE OTHER OF SAID ENDS OF SAID FLEXIBLE MEMBER, LOCK MEANS ENGAGEABLE WITH SAID TIP FOR RETAINING SAID FLEXIBLE MEMBER IN SAID BARREL, AN INTERNALLY THREADED RECESS IN SAID TIP, AND A BARREL BRUSH HAVING AN EXTERNALLY THREADED END RECEIVABLE IN SAID RECESS, WHEREBY ON WITHDRAWAL OF SAID FLEXIBLE MEMBER THROUGH SAID BARREL FROM SAID BREECH END AFTER REMOVAL OF SAID LOCK MEANS, SAID BRUSH WILL CLEANSE THE INTERIOR OF SAID BARREL.
Claim 2
Dependent Claim
149 words
IN A SAFETY DEVICE FOR FIREARMS HAVING A BARREL WITH A BREECH END, INCLUDING A CARTRIDGE HEAD RECESS, THE COMBINATION OF AN ELONGATED FLEXIBLE MEMBER HAVING TWO ENDS AND BEING INSERTABLE INTO SAID BREECH END AND THROUGH SAID BARREL, A PLASTIC COATING COVERING SAID FLEXIBLE MEMBER TO PROTECT THE INTERIOR OF SAID BARREL, A HEAD ON ONE OF SAID ENDS OF SAID FLEXIBLE MEMBER ADAPTED TO SEAT IN THE CARTRIDGE HEAD RECESS, A HARDENED STEEL TIP ON THE OTHER OF SAID ENDS OF SAID FLEXIBLE MEMBER, LOCK MEANS ENGAGEABLE WITH SAID TIP FOR RETAINING SAID FLEXIBLE MEMBER IN SAID BARREL, AN INTERNALLY THREADED RECESS IN SAID TIP, AND A BARREL BRUSH HAVING AN EXTERNALLY THREADED END RECEIVABLE IN SAID RECESS, WHEREBY ON WITHDRAWAL OF SAID FLEXIBLE MEMBER THROUGH SAID BARREL FROM SAID BREECH END AFTER REMOVAL OF SAID LOCK MEANS, SAID BRUSH WILL CLEANSE THE INTERIOR OF SAID BARREL.
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) | 1967-06-23 | 1967-12-23 | 1968-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-23 | 1971-12-23 | 1972-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-23 | 1975-12-23 | 1976-06-23 | $7700.00 | Window Closed / Lapsed |