US3444787A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary vane suspension units for endless track vehicles and the like
Assignee: Houdaille Industries Inc
•
Filing: 1966-03-28
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Granted: 1969-05-20
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Expires: 1986-03-28
Abstract
No abstract record available.
Inventors
- 👤 Paul E Gies
- 👤 Gottlieb Sperl
- 👤 Ralph A Braaten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:16
CPC Classifications
B; B62; B62D; B62D55/00; B62D55/08; B62D55/084; B62D55/0842; B60; B60G; B60G17/00; B60G17/02; B60G17/033; B62D55/104; B62D55/112; B62D55/1125; B62D55/116
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2053668A
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US2561858A
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US2708907A
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US2781027A
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US2854956A
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US3058449A
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US3086745A
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US3179018A
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US3318201A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-19 | 1972-11-18 | 1973-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-19 | 1976-11-18 | 1977-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-19 | 1980-11-18 | 1981-05-20 | $7700.00 | Window Closed / Lapsed |