Patent US3418807A successfully refreshed from Google Patents.
US3418807A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Remote control device
Assignee: Doosan Bobcat North America Inc
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Filing: 1966-12-16
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Granted: 1968-12-31
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Expires: 1986-12-16
Abstract
No abstract record available.
Inventors
- 👤 Barry L Frost
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:50
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/26; F16H61/28; F16H61/30; F15; F15B; F15B13/00; F15B13/02; F15B13/06; F16H2061/304
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) | 1971-12-31 | 1972-07-01 | 1972-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-31 | 1976-07-01 | 1976-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-31 | 1980-07-01 | 1980-12-31 | $7700.00 | Window Closed / Lapsed |