US2769608A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bellows valves
Assignee: Singmaster & Breyer Inc
•
Filing: 1953-07-31
•
Granted: 1956-11-06
•
Expires: 1973-07-31
Abstract
No abstract record available.
Inventors
- 👤 Henry J Reinig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:40
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1679774A
Cited
US1580479A
Cited
US2133983A
Cited
GB551475A
Cited
US2442625A
Cited
US2642890A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-06 | 1960-05-07 | 1960-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-06 | 1964-05-07 | 1964-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-06 | 1968-05-07 | 1968-11-06 | $7700.00 | Window Closed / Lapsed |