US2585253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piercing pin valve construction
Assignee: Knapp Monarch Co
•
Filing: 1946-02-27
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Granted: 1952-02-12
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Expires: 1966-02-27
Abstract
No abstract record available.
Inventors
- 👤 William B Kochner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:53
CPC Classifications
B; B67; B67D; B67D1/00; B67D1/04; B67D1/0412; B67D1/0418; Y; Y10; Y10S; Y10S239/00; Y10S239/10; Y10S239/11; Y10S261/00; Y10S261/07; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49833; Y10T29/49908; Y10T29/49936
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US629752A
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US2120297A
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US2098799A
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US2135237A
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US2345081A
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US2328863A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-11 | 1955-08-13 | 1956-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-11 | 1959-08-13 | 1960-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-11 | 1963-08-13 | 1964-02-12 | $7700.00 | Window Closed / Lapsed |