US3544378A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel cell comprising a metal tungstate anode
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1966-12-29
•
Granted: 1970-12-01
•
Expires: 1986-12-29
Abstract
No abstract record available.
Inventors
- 👤 Barret Broyde
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:40
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/86; H01M4/90; H01M4/9016; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
30 words
AN ELECTROCHEMICAL CELL, COMPRISING AN ANODE, A CATHODE, AND AN ELECTROLYTE THEREBETWEEN, SAID ANODE CONSISTING ESSENTIALLY OF AN ELECTRICALLY CONDUCTIVE BASE SUPPORT AND AN ANODIV OXIDATION CATALYST HAVING THE FORMULA:
Claim 2
Dependent Claim
30 words
AN ELECTROCHEMICAL CELL, COMPRISING AN ANODE, A CATHODE, AND AN ELECTROLYTE THEREBETWEEN, SAID ANODE CONSISTING ESSENTIALLY OF AN ELECTRICALLY CONDUCTIVE BASE SUPPORT AND AN ANODIV OXIDATION CATALYST HAVING THE FORMULA:
References Cited (Backward Citations)
US3393100A
Cited
US3311502A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-30 | 1974-06-01 | 1974-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-30 | 1978-06-01 | 1978-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-30 | 1982-06-01 | 1982-12-01 | $7700.00 | Window Closed / Lapsed |