US3457805A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transmission mechanism
Assignee: DONALD H HAGEN
•
Filing: 1968-01-17
•
Granted: 1969-07-29
•
Expires: 1988-01-17
Abstract
No abstract record available.
Inventors
- 👤 Donald H Hagen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:02
CPC Classifications
F; F16; F16H; F16H3/00; F16H37/00; F16H2700/00; F16H2700/02; F16H2712/00; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19074; Y10T74/19079; Y10T74/19084
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2107072A
Cited
US2833161A
Cited
US3017941A
Cited
US2996934A
Cited
US3302485A
Cited
US3412631A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-28 | 1973-01-27 | 1973-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-28 | 1977-01-27 | 1977-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-28 | 1981-01-27 | 1981-07-29 | $7700.00 | Window Closed / Lapsed |