US3369424A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transmission control mechanisms
Assignee: Individual
•
Filing: 1965-10-20
•
Granted: 1968-02-20
•
Expires: 1985-10-20
Abstract
No abstract record available.
Inventors
- 👤 Frey Fred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:37
CPC Classifications
F; F16; F16H; F16H63/00; F16H63/02; F16H63/30; F16H63/3009; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20012; Y10T74/20018; Y10T74/2014
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1949221A
Cited
US2922315A
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US3052135A
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US3082639A
Cited
US3169409A
Cited
US3250143A
Cited
US3192793A
Cited
US3216274A
Cited
US3306126A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-19 | 1971-08-21 | 1972-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-19 | 1975-08-21 | 1976-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-19 | 1979-08-21 | 1980-02-20 | $7700.00 | Window Closed / Lapsed |