US3232633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicles with means to selectively increase the effective weight thereof
Assignee: Solar Aircraft Co
•
Filing: 1961-10-02
•
Granted: 1966-02-01
•
Expires: 1981-10-02
Abstract
No abstract record available.
Inventors
- 👤 Ernest G Feher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:48
CPC Classifications
B; B62; B62D; B62D61/00; B62D61/12; B60; B60T; B60T3/00; B62D37/00; B62D49/00; B62D49/06; B62D49/0621
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |