US3439783A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brake released magnetic throttle holder
Assignee: JOHN B KEELING
•
Filing: 1967-06-14
•
Granted: 1969-04-22
•
Expires: 1987-06-14
Abstract
No abstract record available.
Inventors
- 👤 John V Graham
- 👤 John B Keeling
- 👤 Leonard L Robinett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:30
CPC Classifications
B; B60; B60K; B60K31/00; B60W; B60W10/00; B60W10/04; B60W10/18; F; F16; F16H; F16H55/00; F16H55/02; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20207; Y10T74/20213; Y10T74/2022; Y10T74/20226
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2159772A
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US2742123A
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US2916116A
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DE1120898B
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US2954705A
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US3100021A
Cited
US3204734A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-21 | 1972-10-21 | 1973-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-21 | 1976-10-21 | 1977-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-21 | 1980-10-21 | 1981-04-22 | $7700.00 | Window Closed / Lapsed |