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US3503151A
Expired / Lapsed
US
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Sealed fuel cell power pack in combination with a toy vehicle
Assignee: General Electric Co
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Filing: 1965-11-26
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Granted: 1970-03-31
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Expires: 1985-11-26
Abstract
No abstract record available.
Inventors
- 👤 Eugene R White
- 👤 Gene E Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:48
CPC Classifications
A; A63; A63H; A63H17/00; A63H17/26; A63H17/28; A63H17/32; A63H29/00; A63H29/22; A63H30/00; A63H30/02; H; H01; H01M; H01M10/00; H01M10/36; H01M10/42; H01M10/46; H01M8/00; H01M8/18; H01M8/184; H01M8/186; Y; Y02; Y02E; Y02E60/00; Y02E60/10; 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) | 1973-03-30 | 1973-09-29 | 1974-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-30 | 1977-09-29 | 1978-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-30 | 1981-09-29 | 1982-03-31 | $7700.00 | Window Closed / Lapsed |