Patent US3074070A successfully refreshed from Google Patents.
US3074070A
Expired / Lapsed
US
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Explosive actuated pin driver
Assignee: Societe de Prospection et dInventions Techniques SPIT SAS
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Filing: 1961-03-06
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Granted: 1963-01-22
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Expires: 1981-03-06
Abstract
No abstract record available.
Inventors
- 👤 Wolf Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:54
CPC Classifications
B; B25; B25C; B25C1/00; B25C1/08; B25C1/10; B25C1/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
IN A FIRING DEVICE FOR DRIVING PINS INTO HARD MATERIAL UNDER GAS PRESSURE COMPRISING A BODY PROVIDED WITH A BORE, SAID BODY BEING PROVIDED AT THE REAR END WITH A CAVITY COAXIAL WITH SAID BORE, SAID BORE OPENING INTO SAID CAVITY, A REAR OBTURATING MEMBER DETACHABLY SECURABLE IN THE OUTER END OF SAID CAVITY, SAID CAVITY BEING OF LARGER DIAMETER THAN SAID BORE TO DEFINE A SHOULDER THEREWITH AT THEIR JUNCTION, SAID CAVITY PROVIDING A CHAMBER TO RECEIVE AN AMMUNITION UNIT CARRYING THE PIN, A BARREL POSITIONED
Claim 2
Dependent Claim
87 words
IN A FIRING DEVICE FOR DRIVING PINS INTO HARD MATERIAL UNDER GAS PRESSURE COMPRISING A BODY PROVIDED WITH A BORE, SAID BODY BEING PROVIDED AT THE REAR END WITH A CAVITY COAXIAL WITH SAID BORE, SAID BORE OPENING INTO SAID CAVITY, A REAR OBTURATING MEMBER DETACHABLY SECURABLE IN THE OUTER END OF SAID CAVITY, SAID CAVITY BEING OF LARGER DIAMETER THAN SAID BORE TO DEFINE A SHOULDER THEREWITH AT THEIR JUNCTION, SAID CAVITY PROVIDING A CHAMBER TO RECEIVE AN AMMUNITION UNIT CARRYING THE PIN, A BARREL POSITIONED
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) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |