US3371543A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine power takeoff drive
Assignee: Individual
•
Filing: 1966-10-21
•
Granted: 1968-03-05
•
Expires: 1986-10-21
Abstract
No abstract record available.
Inventors
- 👤 Robert E Jackson
- 👤 Evan S Prichard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:53
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/16; Y; Y10; Y10S; Y10S366/00; Y10S366/606; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19377; Y10T74/19386; Y10T74/19405
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) | 1971-03-05 | 1971-09-04 | 1972-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-05 | 1975-09-04 | 1976-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-05 | 1979-09-04 | 1980-03-05 | $7700.00 | Window Closed / Lapsed |