US2865596A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic valve
Assignee: Lunkenheimer Co
•
Filing: 1954-06-23
•
Granted: 1958-12-23
•
Expires: 1974-06-23
Abstract
No abstract record available.
Inventors
- 👤 Monnig Anthony Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:29
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/12; F16K1/123; Y; Y10; Y10S; Y10S239/00; Y10S239/19
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US495064A
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US1423418A
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US2245097A
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US2278313A
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US2295774A
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US2343584A
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US2368927A
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US2458809A
Cited
US2661019A
Cited
DE897499C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-22 | 1962-06-23 | 1962-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-22 | 1966-06-23 | 1966-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-22 | 1970-06-23 | 1970-12-23 | $7700.00 | Window Closed / Lapsed |