US2702178A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slide valve
Assignee: Zimmermann and Jansen GmbH
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Filing: 1951-02-23
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Granted: 1955-02-15
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Expires: 1971-02-23
Abstract
No abstract record available.
Inventors
- 👤 Scholl Bernhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:51
CPC Classifications
F; F16; F16K; F16K3/00; F16K3/02; F16K3/16; F16K3/20; F16K3/202; F16L; F16L27/00; F16L27/12; F16L27/127
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-02-14 | 1958-08-16 | 1959-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-02-14 | 1962-08-16 | 1963-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-02-14 | 1966-08-16 | 1967-02-15 | $7700.00 | Window Closed / Lapsed |