US2990778A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure water system
Assignee: Red Jacket Manufacturing Co
•
Filing: 1957-10-28
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Granted: 1961-07-04
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Expires: 1977-10-28
Abstract
No abstract record available.
Inventors
- 👤 Elmer M Deters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:27
CPC Classifications
F; F04; F04D; F04D13/00; F04D13/16; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3115; Y10T137/3127; Y10T137/3137; Y10T137/8593; Y10T137/85978; Y10T137/86035
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US563829A
Cited
USRE21893E
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US1600526A
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US1941766A
Cited
GB430468A
Cited
US2215815A
Cited
US2440611A
Cited
US2765963A
Cited
US2709964A
Cited
US2800860A
Cited
US2824424A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-03 | 1965-01-02 | 1965-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-03 | 1969-01-02 | 1969-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-03 | 1973-01-02 | 1973-07-04 | $7700.00 | Window Closed / Lapsed |