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US2136403A
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Means for developing reactive forces
Assignee: Individual
•
Filing: 1935-11-27
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Granted: 1938-11-15
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Expires: 1955-11-27
Abstract
No abstract record available.
Inventors
- 👤 Charles E Vance
- 👤 John E Vance
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:36
CPC Classifications
B; B64; B64C; B64C21/00; B64C21/02; B64C21/025; B64C2230/00; B64C2230/06; B64C2230/20; B64C2230/28; Y; Y02; Y02T; Y02T50/00; Y02T50/10; Y02T50/60; Y10; Y10S; Y10S415/00; Y10S415/914
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1941-11-14 | 1942-05-16 | 1942-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-11-14 | 1946-05-16 | 1946-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-11-14 | 1950-05-16 | 1950-11-15 | $7700.00 | Window Closed / Lapsed |