Patent US3157119A successfully refreshed from Google Patents.
US3157119A
Expired / Lapsed
US
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Detonating device
Assignee: Individual
•
Filing: 1961-01-27
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Granted: 1964-11-17
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Expires: 1981-01-27
Abstract
No abstract record available.
Inventors
- 👤 Layton F Porter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:55
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/11; E21B43/116; E21B43/1185; E21B43/11855; E21B31/00; E21B31/107; E21B31/1075
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
IN A DEVICE FOR DETONATING AN EXPLOSIVE CHARGE IN A TUBULAR STRUCTURE, THE COMBINATION OF; AN ELONGATED MEMBER HAVING ONE END ADAPTED FOR CONNECTION TO A LINE FOR SUSPENDING SAID MEMBER IN A TUBULAR STRUCTURE; MEANS AT THE OTHER END OF SAID ELONGATED MEMBER FOR SECURING SAID MEMBER AGAINST MOVEMENT RELATIVE TO SAID TUBULAR STRUCTURE WHEN SUSPENDED THEREIN; SUPPORT MEANS CARRIED BY SAID ELONGATED MEMBER; SAID SUPPORT MEANS BEING MOVABLE ON SAID ELONGATED MEMBER; MEANS COUPLED TO SAID SUPPORT MEANS FOR SECURING SAID SUPPORT MEANS AGAINST MOVEMENT RELATIVE TO SAID TUBULAR STRUCTURE WHEN SUSPENDED THEREIN;
Claim 2
Dependent Claim
95 words
IN A DEVICE FOR DETONATING AN EXPLOSIVE CHARGE IN A TUBULAR STRUCTURE, THE COMBINATION OF; AN ELONGATED MEMBER HAVING ONE END ADAPTED FOR CONNECTION TO A LINE FOR SUSPENDING SAID MEMBER IN A TUBULAR STRUCTURE; MEANS AT THE OTHER END OF SAID ELONGATED MEMBER FOR SECURING SAID MEMBER AGAINST MOVEMENT RELATIVE TO SAID TUBULAR STRUCTURE WHEN SUSPENDED THEREIN; SUPPORT MEANS CARRIED BY SAID ELONGATED MEMBER; SAID SUPPORT MEANS BEING MOVABLE ON SAID ELONGATED MEMBER; MEANS COUPLED TO SAID SUPPORT MEANS FOR SECURING SAID SUPPORT MEANS AGAINST MOVEMENT RELATIVE TO SAID TUBULAR STRUCTURE WHEN SUSPENDED THEREIN;
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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) | 1967-11-17 | 1968-05-18 | 1968-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-17 | 1972-05-18 | 1972-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-17 | 1976-05-18 | 1976-11-17 | $7700.00 | Window Closed / Lapsed |