US2915087A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valves
Assignee: RICH KLINGER AG
•
Filing: 1954-07-02
•
Granted: 1959-12-01
•
Expires: 1974-07-02
Abstract
No abstract record available.
Inventors
- 👤 Kruschik Julius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:32
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/02; F16K1/06; F16K1/10; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86718; Y10T137/86759; Y10T137/86791
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1014178A
Cited
US1511302A
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US1457318A
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GB308193A
Cited
FR732649A
Cited
US2192425A
Cited
DE887897C
Cited
US2621483A
Cited
US2598187A
Cited
US2685426A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-30 | 1963-06-01 | 1963-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-30 | 1967-06-01 | 1967-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-30 | 1971-06-01 | 1971-12-01 | $7700.00 | Window Closed / Lapsed |