US3116172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Contact for use with cylindrical anodes
Assignee: Servel Inc
•
Filing: 1959-08-03
•
Granted: 1963-12-31
•
Expires: 1979-08-03
Abstract
No abstract record available.
Inventors
- 👤 Milton E Wilke
- 👤 Robert A Warren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:55
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/04; H01M6/06; H01M6/08; H01M50/00; H01M50/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A VOLTGAIC CELL COMPRISING A CELL ENCLOSURE HAVING POSITIVE AND NEGATIVE TERMINALS, A DEPOLARIZER MEMBER, CELL ELECTROLYTE, A SUBSTANTIALLY RIGID TUBULAR METAL ANODE, AND AN ELECTRICALLY CONDUCTIVE CONTACT MEMBER POSITIONED WITHIN SAID ANODE IN POSITIVE ELECTRICAL CONTACT ENGAGEMENT WITH THE INNER WALL THEREOF, SAID CONTACT MEMBER COMPRISING A SPRING BIASED TO PROVIDE RADIAL CONTACT FORCE AGAINST THE INNER WALL OF SAID ANODE, ONE END OF SAID CONTACT MEMBER ENGAGING THE NEGATIVE TERMINAL FOR PROVIDING
Claim 2
Dependent Claim
74 words
A VOLTGAIC CELL COMPRISING A CELL ENCLOSURE HAVING POSITIVE AND NEGATIVE TERMINALS, A DEPOLARIZER MEMBER, CELL ELECTROLYTE, A SUBSTANTIALLY RIGID TUBULAR METAL ANODE, AND AN ELECTRICALLY CONDUCTIVE CONTACT MEMBER POSITIONED WITHIN SAID ANODE IN POSITIVE ELECTRICAL CONTACT ENGAGEMENT WITH THE INNER WALL THEREOF, SAID CONTACT MEMBER COMPRISING A SPRING BIASED TO PROVIDE RADIAL CONTACT FORCE AGAINST THE INNER WALL OF SAID ANODE, ONE END OF SAID CONTACT MEMBER ENGAGING THE NEGATIVE TERMINAL FOR PROVIDING
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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) | 1966-12-30 | 1967-07-01 | 1967-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-30 | 1971-07-01 | 1971-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-30 | 1975-07-01 | 1975-12-31 | $7700.00 | Window Closed / Lapsed |