Patent US2831045A successfully refreshed from Google Patents.
US2831045A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Battery
Assignee: Individual
•
Filing: 1955-02-10
•
Granted: 1958-04-15
•
Expires: 1975-02-10
Abstract
No abstract record available.
Inventors
- 👤 Magnus S Harding
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:55
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/40; H01M50/489; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
27 words
A BATTERY COMPRISING A PAIR OF SPACED ELECTRODES, A BODY OF AN ELECTRON EXCHANGE SRESIN COMPRISING A POLYMER OF VINYL HYDROQUINONE ABOUT EACH OF SAID ELECTRODES, AND
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) | 1961-04-14 | 1961-10-14 | 1962-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-14 | 1965-10-14 | 1966-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-14 | 1969-10-14 | 1970-04-15 | $7700.00 | Window Closed / Lapsed |