US2485092A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve construction
Assignee: FLUID CONTROL ENGINEERING Co
•
Filing: 1944-05-20
•
Granted: 1949-10-18
•
Expires: 1964-05-20
Abstract
No abstract record available.
Inventors
- 👤 Thomas E Gannon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:02
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/32; F16K1/34; F16K1/46; F16K1/465
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190412911A
Cited
US874652A
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GB191509164A
Cited
GB203825A
Cited
US2060748A
Cited
US2110825A
Cited
US2107200A
Cited
US2163472A
Cited
US2260381A
Cited
US2293068A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-17 | 1953-04-18 | 1953-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-17 | 1957-04-18 | 1957-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-17 | 1961-04-18 | 1961-10-18 | $7700.00 | Window Closed / Lapsed |