US2691899A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve stem adjuster
Assignee: RELIANCE GAUGE COLUMM Co
•
Filing: 1950-04-21
•
Granted: 1954-10-19
•
Expires: 1970-04-21
Abstract
No abstract record available.
Inventors
- 👤 Brown John Rowland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 02:51
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/44; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87917; Y10T137/87981; Y10T403/00; Y10T403/70; Y10T403/7026; Y10T403/7033; Y10T403/7047; Y10T74/00; Y10T74/20; Y10T74/20012
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US242176A
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US329586A
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US973337A
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US1088247A
Cited
US1217132A
Cited
US2200999A
Cited
US2463066A
Cited
US2607616A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-10-18 | 1958-04-19 | 1958-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-18 | 1962-04-19 | 1962-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-18 | 1966-04-19 | 1966-10-19 | $7700.00 | Window Closed / Lapsed |