US2696363A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve seat construction
Assignee: MONSON EQUIPMENT Co Inc
•
Filing: 1951-06-18
•
Granted: 1954-12-07
•
Expires: 1971-06-18
Abstract
No abstract record available.
Inventors
- 👤 Oscar P Monson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:40
CPC Classifications
F; F16; F16K; F16K3/00; F16K3/30; Y; Y10; Y10S; Y10S285/00; Y10S285/91; Y10S285/923
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2583869A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-06 | 1958-06-07 | 1958-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-06 | 1962-06-07 | 1962-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-06 | 1966-06-07 | 1966-12-07 | $7700.00 | Window Closed / Lapsed |