Patent US3515014A successfully refreshed from Google Patents.
US3515014A
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US
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Transmission system
Assignee: DONALD H HAGEN
•
Filing: 1969-07-18
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Granted: 1970-06-02
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Expires: 1989-07-18
Abstract
No abstract record available.
Inventors
- 👤 Donald H Hagen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:23
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/02; F16H3/08; F16H3/14; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19074; Y10T74/19079; Y10T74/19084; Y10T74/19219; Y10T74/19377; Y10T74/19386; Y10T74/19405
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2107072A
Cited
US2833161A
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US2996934A
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US3307941A
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US3254541A
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US3302485A
Cited
US3412631A
Cited
US3425293A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-01 | 1973-12-01 | 1974-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-01 | 1977-12-01 | 1978-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-01 | 1981-12-01 | 1982-06-02 | $7700.00 | Window Closed / Lapsed |