US2920710A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle having a solar steam generator
Assignee: Individual
•
Filing: 1956-12-17
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Granted: 1960-01-12
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Expires: 1976-12-17
Abstract
No abstract record available.
Inventors
- 👤 George E Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:39
CPC Classifications
F; F03; F03G; F03G6/00; F03G6/06; F03G6/065; F03G6/121; F24; F24S; F24S20/00; F24S20/50; F24S20/55; F24S23/00; F24S23/30; F24S23/31; F24S30/00; F24S30/40; F24S30/45; F24S30/458; Y; Y02; Y02E; Y02E10/00; Y02E10/40; Y02E10/46; Y02E10/47
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) | 1963-01-11 | 1963-07-13 | 1964-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-11 | 1967-07-13 | 1968-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-11 | 1971-07-13 | 1972-01-12 | $7700.00 | Window Closed / Lapsed |