Patent US3426872A successfully refreshed from Google Patents.
US3426872A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic brake with speed and throttle controls
Assignee: Sumitomo Electric Industries Ltd
•
Filing: 1966-06-29
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Granted: 1969-02-11
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Expires: 1986-06-29
Abstract
No abstract record available.
Inventors
- 👤 Tadasu Irie
- 👤 Kaname Doi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:12
CPC Classifications
B; B60; B60T; B60T13/00; B60T13/74; B60T7/00; B60T7/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2308822A
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US2539538A
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US2583485A
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US2725129A
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US2725128A
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US2821275A
Cited
US2948570A
Cited
US3017965A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-11 | 1972-08-12 | 1973-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-11 | 1976-08-12 | 1977-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-11 | 1980-08-12 | 1981-02-11 | $7700.00 | Window Closed / Lapsed |