US2918514A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Breaker mechanism for deferredaction batteries
Assignee: Individual
•
Filing: 1944-04-18
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Granted: 1959-12-22
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Expires: 1964-04-18
Abstract
No abstract record available.
Inventors
- 👤 Franklin L Everett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:30
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/30; H01M6/36; H01M6/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
IN A PRIMARY CELL CONSTRUCTION INCLUDING A CASING, AN AMPOULE OF FRANGIBLE MATERIAL MOVABLY MOUNTED IN THE CASING AND ADAPTED TO CONTAIN THE ELECTROLYTE FOR THE CELL, MEANS YIELDABLY OPPOSING MOVEMENT OF THE AMPOULE IN THE CASING, SAID MEANS COMPRISING AN ASSEMBLY OF OPPOSED SPRINGS, COMPRESSIBLE UNDER INERTIAL FORCES RESULTING FROM THE MASS OF THE AMPOULE UPON SUFFICIENTLY RAPID ACCELERATION OF THE CASING, AND A BREAKER PORTION CARRIED BY THE ASSEMBLY AND ENGAGEABLE BY THE AMPOULE TO FRACTURE THE LATTER UPON OCCURRENCE OF SUCH COMPRESSION, THE OPPOSED SPRINGS OF SAID ASSEMBLY COMPRISING A PLURALITY OF RESILIENT WASHERS OF A VARIANT THICKNESS AND OF SUBSTANTIALLY TRUNCATED CONIC FORM.
Claim 2
Dependent Claim
107 words
IN A PRIMARY CELL CONSTRUCTION INCLUDING A CASING, AN AMPOULE OF FRANGIBLE MATERIAL MOVABLY MOUNTED IN THE CASING AND ADAPTED TO CONTAIN THE ELECTROLYTE FOR THE CELL, MEANS YIELDABLY OPPOSING MOVEMENT OF THE AMPOULE IN THE CASING, SAID MEANS COMPRISING AN ASSEMBLY OF OPPOSED SPRINGS, COMPRESSIBLE UNDER INERTIAL FORCES RESULTING FROM THE MASS OF THE AMPOULE UPON SUFFICIENTLY RAPID ACCELERATION OF THE CASING, AND A BREAKER PORTION CARRIED BY THE ASSEMBLY AND ENGAGEABLE BY THE AMPOULE TO FRACTURE THE LATTER UPON OCCURRENCE OF SUCH COMPRESSION, THE OPPOSED SPRINGS OF SAID ASSEMBLY COMPRISING A PLURALITY OF RESILIENT WASHERS OF A VARIANT THICKNESS AND OF SUBSTANTIALLY TRUNCATED CONIC FORM.
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) | 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 |