Patent US3285634A successfully refreshed from Google Patents.
US3285634A
Expired / Lapsed
US
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Means for the repair of hand-operated vent regulator assemblies
Assignee: TRU SEAL PUMP Inc
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Filing: 1964-05-15
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Granted: 1966-11-15
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Expires: 1984-05-15
Abstract
No abstract record available.
Inventors
- 👤 Boyar Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:13
CPC Classifications
B; B60; B60J; B60J1/00; B60J1/08; B60J1/12; B60J1/14; Y; Y10; Y10T; Y10T403/00; Y10T403/51
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) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |