US3061658A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel cell construction
Assignee: General Electric Co
•
Filing: 1959-12-31
•
Granted: 1962-10-30
•
Expires: 1979-12-31
Abstract
No abstract record available.
Inventors
- 👤 Blackmer Richard Hardin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:28
CPC Classifications
H; H01; H01M; H01M8/00; H01M8/04; H01M8/04007; H01M8/04014; H01M8/10; H01M8/1007; H01M8/24; H01M8/241; H01M8/242; H01M8/2457; H01M8/2465; H01M8/2483; H01M2300/00; H01M2300/0017; H01M2300/0065; H01M2300/0082; H01M8/04082; H01M8/04089; H01M8/04119; H01M8/04156; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
19 words
IN A FUEL CELL HAVING A PAIR OF ELECTRODES AND AN ION EXCHANGE RESIN MEMBRANE POSITIONED BETWEEN AND IN
Claim 2
Dependent Claim
19 words
IN A FUEL CELL HAVING A PAIR OF ELECTRODES AND AN ION EXCHANGE RESIN MEMBRANE POSITIONED BETWEEN AND IN
References Cited (Backward Citations)
US2510262A
Cited
US2913511A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |