US3496835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control system for a pneumatically operated air inlet valve
Assignee: Senco Products Inc
•
Filing: 1967-03-24
•
Granted: 1970-02-24
•
Expires: 1987-03-24
Abstract
No abstract record available.
Inventors
- 👤 Carl Siegmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:10
CPC Classifications
B; B25; B25C; B25C1/00; B25C1/04; B25C1/041
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US622576A
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US653247A
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US712438A
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US1018983A
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US1494030A
Cited
US3278102A
Cited
US3301139A
Cited
US3278103A
Cited
US3353453A
Cited
US3278104A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-23 | 1973-08-25 | 1974-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-23 | 1977-08-25 | 1978-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-23 | 1981-08-25 | 1982-02-24 | $7700.00 | Window Closed / Lapsed |