Patent US2918516A successfully refreshed from Google Patents.
US2918516A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Deferred action battery containing frangible ampoule and breaker construction
Assignee: Individual
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Filing: 1945-08-25
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Granted: 1959-12-22
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Expires: 1965-08-25
Abstract
No abstract record available.
Inventors
- 👤 Franklin L Everett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:40
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/30; H01M6/36; H01M6/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
IN A DERRERED ACTION BATTERY ADAPTED TO BE ACTIVATED UNDER A FORCE OF SETBACK AND HAVING A FRANGIBLE AMPULE FOR CONTAINING AN ELECTROLYTE, A COLLAPSIBLE SUPPORT FOR THE AMPULE COMPRISING A HEAD AGAINST WHICH THE AMPULE IS MOVABLE BY A FORCE OF SETBACK TO BREAK THE AMPULE, A CONCAVO-CONVES SNAP ACTION DISK CENTRALLY MOUNTED ON THE HEAD AND HAVING ITS CONCAVE SURFACE FACING THE AMPULE, AND AN ANNULAR DISK MOUNTEDON THE RIM OF SAID FIRST DISK AND HAVING RADIAL SLOTS EXTENDING OUTWARDLY FROM ITS CENTRAL PORTION TO FORM RESILIENT PRONGS FOR SUPPORTING THE AMPULE IN SPACED RELATION TO THE HEAD.
Claim 2
Dependent Claim
100 words
IN A DERRERED ACTION BATTERY ADAPTED TO BE ACTIVATED UNDER A FORCE OF SETBACK AND HAVING A FRANGIBLE AMPULE FOR CONTAINING AN ELECTROLYTE, A COLLAPSIBLE SUPPORT FOR THE AMPULE COMPRISING A HEAD AGAINST WHICH THE AMPULE IS MOVABLE BY A FORCE OF SETBACK TO BREAK THE AMPULE, A CONCAVO-CONVES SNAP ACTION DISK CENTRALLY MOUNTED ON THE HEAD AND HAVING ITS CONCAVE SURFACE FACING THE AMPULE, AND AN ANNULAR DISK MOUNTEDON THE RIM OF SAID FIRST DISK AND HAVING RADIAL SLOTS EXTENDING OUTWARDLY FROM ITS CENTRAL PORTION TO FORM RESILIENT PRONGS FOR SUPPORTING THE AMPULE IN SPACED RELATION TO THE HEAD.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-21 | 1963-06-22 | 1963-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-21 | 1967-06-22 | 1967-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-21 | 1971-06-22 | 1971-12-22 | $7700.00 | Window Closed / Lapsed |