Patent US3142294A successfully refreshed from Google Patents.
US3142294A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanical gun
Assignee: Individual
•
Filing: 1958-06-10
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Granted: 1964-07-28
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Expires: 1978-06-10
Abstract
No abstract record available.
Inventors
- 👤 Jr Ross O Baldwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:25
CPC Classifications
F; F41; F41B; F41B11/00; F41B11/60; F41B11/64; F41B11/642; F41B11/646; F41B11/647; F41B7/00; F41B7/006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
IN A MECHANICAL GUN, A CYLINDRICAL CASING, AN ELONGATE SPRING COAXIALLY POSITIONED WITHIN SAID CASING, A TUBE ADJUSTABLY DISPOSED WITHIN SAID CASING IN COAXIAL ABUTTING RELATION WITH ONE END OF SAID SPRING, MEANS EXTERNALLY OF SAID CASING FOR VARIABLY FIXING THE POSITION OF SAID TUBE WITH RESPECT TO SAID CASING, A RECIPROCATIVE PLUNGER COAXIALLY POSITIONED WITHIN SAID SPRING AND SAID TUBE FOR COMPRESSING SAID SPRING, A SEAR PLATE SLIDABLY SUPPORTED WITHIN SAID CASING, A SEAR CARRIED BY SAID CASING FOR ENGAGING AND RELEASABLY HOLDING SAID SEAR PLATE IN A COCKED POSITION, AND MEANS ADJUSTABLY SECURING SAID SEAR PLATE TO SAID PLUNGER, SAID LAST MENTIONED MEANS INCLUDING A PLUG CONNECTED TO SAID SEAR PLATE AND HAVING A THREADED SHAFT THREADEDLY ENGAGING THE END OF SAID PLUNGER.
Claim 2
Dependent Claim
125 words
IN A MECHANICAL GUN, A CYLINDRICAL CASING, AN ELONGATE SPRING COAXIALLY POSITIONED WITHIN SAID CASING, A TUBE ADJUSTABLY DISPOSED WITHIN SAID CASING IN COAXIAL ABUTTING RELATION WITH ONE END OF SAID SPRING, MEANS EXTERNALLY OF SAID CASING FOR VARIABLY FIXING THE POSITION OF SAID TUBE WITH RESPECT TO SAID CASING, A RECIPROCATIVE PLUNGER COAXIALLY POSITIONED WITHIN SAID SPRING AND SAID TUBE FOR COMPRESSING SAID SPRING, A SEAR PLATE SLIDABLY SUPPORTED WITHIN SAID CASING, A SEAR CARRIED BY SAID CASING FOR ENGAGING AND RELEASABLY HOLDING SAID SEAR PLATE IN A COCKED POSITION, AND MEANS ADJUSTABLY SECURING SAID SEAR PLATE TO SAID PLUNGER, SAID LAST MENTIONED MEANS INCLUDING A PLUG CONNECTED TO SAID SEAR PLATE AND HAVING A THREADED SHAFT THREADEDLY ENGAGING THE END OF SAID PLUNGER.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-28 | 1968-01-27 | 1968-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-28 | 1972-01-27 | 1972-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-28 | 1976-01-27 | 1976-07-28 | $7700.00 | Window Closed / Lapsed |