US2465036A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve structure
Assignee: General Controls Co
•
Filing: 1943-09-13
•
Granted: 1949-03-22
•
Expires: 1963-09-13
Abstract
No abstract record available.
Inventors
- 👤 William A Ray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:31
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/02; F16K31/06; F16K31/0644; F16K31/0655; F16K31/0658
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US9107A
Cited
GB190716513A
Cited
US930177A
Cited
US1717247A
Cited
US1970579A
Cited
GB402826A
Cited
US2207097A
Cited
US2373788A
Cited
US2321853A
Cited
US2332108A
Cited
US2358828A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-21 | 1952-09-20 | 1953-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-21 | 1956-09-20 | 1957-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-21 | 1960-09-20 | 1961-03-22 | $7700.00 | Window Closed / Lapsed |