Patent US3102475A successfully refreshed from Google Patents.
US3102475A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Explosive device
Assignee: Leesona Corp
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Filing: 1961-02-13
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Granted: 1963-09-03
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Expires: 1981-02-13
Abstract
No abstract record available.
Inventors
- 👤 Jr Walter L Beckwith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:42
CPC Classifications
F; F42; F42C; F42C5/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
AN UNDERWATER EXPLOSIVE DEVICE COMPRISING IN COMBINATION, A CASING HAVING AN EXPLOSIVE CHARGE DISPOSED THEREIN, DETONATING MEANS FOR SAID CHARGE, A FIRING MEANS FOR EXPLODING SAID DETONATING MEANS, MEANS BIASING SAID FIRING MEANS IN A DIRECTION TO EXPLODE SAID DETONATING MEANS, A MOVABLE PIN FOR RELEASABLY HOLDING SAID FIRING MEANS AGAINST MOVEMENT TO EXPLODE SAID DETONATING MEANS, MEANS INCLUDING A CAM FOR BIASING SAID PIN FOR MOVEMENT IN A DIRECTION TO RELEASE SAID FIRING MEANS, AND MEANS INCLUDING A FLOAT AND A LINE CONNECTED TO SAID FLOAT, SAID LINE BEING OPERABLY ASSOCIATED WITH SAID PIN FOR NORMALLY HOLDING SAID PIN AGAINST MOVEMENT IN SAID RELEASING DIRECTION AND FOR RELEASING SAID PIN AT A PREDETERMINED DEPTH OF SUBMERGENCE WHEREBY SAID FIRING MEANS EXPLODES SAID DETONATING MEANS.
Claim 2
Dependent Claim
125 words
AN UNDERWATER EXPLOSIVE DEVICE COMPRISING IN COMBINATION, A CASING HAVING AN EXPLOSIVE CHARGE DISPOSED THEREIN, DETONATING MEANS FOR SAID CHARGE, A FIRING MEANS FOR EXPLODING SAID DETONATING MEANS, MEANS BIASING SAID FIRING MEANS IN A DIRECTION TO EXPLODE SAID DETONATING MEANS, A MOVABLE PIN FOR RELEASABLY HOLDING SAID FIRING MEANS AGAINST MOVEMENT TO EXPLODE SAID DETONATING MEANS, MEANS INCLUDING A CAM FOR BIASING SAID PIN FOR MOVEMENT IN A DIRECTION TO RELEASE SAID FIRING MEANS, AND MEANS INCLUDING A FLOAT AND A LINE CONNECTED TO SAID FLOAT, SAID LINE BEING OPERABLY ASSOCIATED WITH SAID PIN FOR NORMALLY HOLDING SAID PIN AGAINST MOVEMENT IN SAID RELEASING DIRECTION AND FOR RELEASING SAID PIN AT A PREDETERMINED DEPTH OF SUBMERGENCE WHEREBY SAID FIRING MEANS EXPLODES SAID DETONATING 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) | 1966-09-02 | 1967-03-04 | 1967-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-02 | 1971-03-04 | 1971-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-02 | 1975-03-04 | 1975-09-03 | $7700.00 | Window Closed / Lapsed |