Patent US1055243A successfully refreshed from Google Patents.
Patent US2462291A successfully refreshed from Google Patents.
US2462291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve
Assignee: Individual
•
Filing: 1944-05-03
•
Granted: 1949-02-22
•
Expires: 1964-05-03
Abstract
No abstract record available.
Inventors
- 👤 Frederick E Sette
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:48
CPC Classifications
F; F16; F16K; F16K27/00; F16K27/02; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49405; Y10T29/49412; Y10T29/49416; Y10T29/49417; Y10T29/49826; Y10T29/4984; Y10T29/49845; Y10T29/49847; Y10T29/49908; Y10T29/49925; Y10T29/49927
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US744441A
Cited
US881191A
Cited
US1092464A
Cited
US1234096A
Cited
US1329479A
Cited
US1678640A
Cited
US1551853A
Cited
US1778244A
Cited
US1674076A
Cited
US1775055A
Cited
GB343967A
Cited
US1945777A
Cited
US1881537A
Cited
US2069153A
Cited
US2219471A
Cited
US2218641A
Cited
US2287150A
Cited
US2348173A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-22 | 1952-08-23 | 1953-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-22 | 1956-08-23 | 1957-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-22 | 1960-08-23 | 1961-02-22 | $7700.00 | Window Closed / Lapsed |