US3539744A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination electrical switch and fluid accumulator chamber
Assignee: Tenneco Automotive Inc
•
Filing: 1968-01-08
•
Granted: 1970-11-10
•
Expires: 1988-01-08
Abstract
No abstract record available.
Inventors
- 👤 William W Higginbotham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:25
CPC Classifications
B; B60; B60G; B60G17/00; B60G17/015; B60G17/0152; B60G17/0155
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1704627A
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US1936821A
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US2254347A
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US2838629A
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DE1150735B
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US3207871A
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US3374331A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-09 | 1974-05-11 | 1974-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-09 | 1978-05-11 | 1978-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-09 | 1982-05-11 | 1982-11-10 | $7700.00 | Window Closed / Lapsed |