US3429027A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve and method for producing the same
Assignee: STAHL ARMATUREN PERSTA KG GmbH
•
Filing: 1965-11-02
•
Granted: 1969-02-25
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Expires: 1985-11-02
Abstract
No abstract record available.
Inventors
- 👤 Walter Siepmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:45
CPC Classifications
F; F16; F16K; F16K27/00; F16K27/08; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0402; Y10T137/0491; Y10T137/598; Y10T137/6089; Y10T29/00; Y10T29/49; Y10T29/49405; Y10T29/49412; Y10T29/49416; Y10T29/49421; Y10T29/49423; Y10T29/49826; Y10T29/49893
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1586691A
Cited
US2301176A
Cited
US2373020A
Cited
US2563012A
Cited
US2665875A
Cited
US2626775A
Cited
US2664098A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-25 | 1972-08-26 | 1973-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-25 | 1976-08-26 | 1977-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-25 | 1980-08-26 | 1981-02-25 | $7700.00 | Window Closed / Lapsed |