US2501804A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-temperature liquid pulsation dampener
Assignee: Fluor Corp
•
Filing: 1946-08-03
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Granted: 1950-03-28
•
Expires: 1966-08-03
Abstract
No abstract record available.
Inventors
- 👤 Cecil F Yates
- 👤 Claude B Nolte
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:48
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/04; F16L55/045; F16L55/05; F16L55/052; F16L55/053
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2355357A
Cited
US2383180A
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US2352187A
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US2390320A
Cited
US2396033A
Cited
US2446358A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-27 | 1953-09-26 | 1954-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-27 | 1957-09-26 | 1958-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-27 | 1961-09-26 | 1962-03-28 | $7700.00 | Window Closed / Lapsed |