US3192070A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel cell
Assignee: General Electric Co
•
Filing: 1962-10-04
•
Granted: 1965-06-29
•
Expires: 1982-10-04
Abstract
No abstract record available.
Inventors
- 👤 William E Tragert
- 👤 Henry S Spacil
- 👤 Robert L Fullman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:27
CPC Classifications
H; H01; H01M; H01M8/00; H01M8/10; H01M8/12; H01M8/1233; H01M8/1231; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
A METHOD OF RECOVERING HYDROGEN FROM A FUEL CELL WHICH COMPRISES PROVIDING A HEATED GASEOUS EFFLUENT STREAM CONTAINING HYDROGEN AT A TEMPERATURE IN THE TEMPERATURE RANGE OF 790*C. TO 990*C., CONTACTING SAID STREAM WITH A HYDROGEN PERMEABLE MEMBER SELECTED FROM THE GROUP CONSISTING OF IRON AND IRON ALLOYS, AND DIFFUSING HYDROGEN FROM SAID STREAM THROUGH SAID MEMBER.
Claim 2
Independent Claim
57 words
A METHOD OF RECOVERING HYDROGEN FROM A FUEL CELL WHICH COMPRISES PROVIDING A HEATED GASEOUS EFFLUENT STREAM CONTAINING HYDROGEN AT A TEMPERATURE IN THE TEMPERATURE RANGE OF 790*C. TO 990*C., CONTACTING SAID STREAM WITH A HYDROGEN PERMEABLE MEMBER SELECTED FROM THE GROUP CONSISTING OF IRON AND IRON ALLOYS, AND DIFFUSING HYDROGEN FROM SAID STREAM THROUGH SAID MEMBER.
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) | 1968-06-28 | 1968-12-28 | 1969-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-28 | 1972-12-28 | 1973-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-28 | 1976-12-28 | 1977-06-29 | $7700.00 | Window Closed / Lapsed |