US2626066A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alternate tipping valve
Assignee: Individual
•
Filing: 1947-09-29
•
Granted: 1953-01-20
•
Expires: 1967-09-29
Abstract
No abstract record available.
Inventors
- 👤 Rasmussen Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:33
CPC Classifications
F; F23; F23K; F23K3/00; F23K2203/00; F23K2203/008
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US151548A
Cited
US327875A
Cited
US441725A
Cited
US971510A
Cited
US871428A
Cited
US1112641A
Cited
US1298426A
Cited
GB315566A
Cited
DE548498C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-20 | 1956-07-21 | 1957-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-20 | 1960-07-21 | 1961-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-20 | 1964-07-21 | 1965-01-20 | $7700.00 | Window Closed / Lapsed |