Patent US3526437A successfully refreshed from Google Patents.
US3526437A
Expired / Lapsed
US
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Hold-off valve
Assignee: Bendix Corp
•
Filing: 1969-05-12
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Granted: 1970-09-01
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Expires: 1989-05-12
Abstract
No abstract record available.
Inventors
- 👤 Richard L Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:18
CPC Classifications
B; B60; B60T; B60T11/00; B60T11/10; B60T11/28; B60T11/34; B60T8/00; B60T8/26; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/7842; Y10T137/7869
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2734525A
Cited
US2677939A
Cited
US2861589A
Cited
US3104676A
Cited
US3375852A
Cited
US3278241A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-31 | 1974-03-02 | 1974-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-31 | 1978-03-02 | 1978-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-31 | 1982-03-02 | 1982-09-01 | $7700.00 | Window Closed / Lapsed |