US2798689A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Snap-action valve
Assignee: Alco Valve Co
•
Filing: 1953-03-18
•
Granted: 1957-07-09
•
Expires: 1973-03-18
Abstract
No abstract record available.
Inventors
- 👤 Lyle S Houghton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 01:01
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/44; F16K31/56; G; G05; G05D; G05D23/00; G05D23/01; G05D23/12; G05D23/125; G05D23/126; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18888; Y10T74/18896
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1000720A
Cited
US1103667A
Cited
US2091596A
Cited
US2520216A
Cited
US2584419A
Cited
US2664246A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-08 | 1961-01-07 | 1961-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-08 | 1965-01-07 | 1965-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-08 | 1969-01-07 | 1969-07-09 | $7700.00 | Window Closed / Lapsed |