Patent US3544376A successfully refreshed from Google Patents.
US3544376A
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Method and apparatus for monitoring fuel cell feed
Assignee: Atlantic Richfield Co
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Filing: 1966-08-26
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Granted: 1970-12-01
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Expires: 1986-08-26
Abstract
No abstract record available.
Inventors
- 👤 James E Connor Jr
- 👤 Alfred F D Alessandro
- 👤 Harold Shalit
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:16
CPC Classifications
H; H01; H01M; H01M8/00; H01M8/14; C; C01; C01B; C01B3/00; C01B3/02; C01B3/32; C01B3/34; C01B3/38; H01M8/06; H01M8/0606; H01M8/0612; H01M8/0625; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
Claims Analysis
Total Claims: 0
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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) | 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 |