US2656096A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifugal pump and compressor
Assignee: Rateau SA
•
Filing: 1946-12-27
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Granted: 1953-10-20
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Expires: 1966-12-27
Abstract
No abstract record available.
Inventors
- 👤 Marcel G Schwarz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:48
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/40; F04D29/42; F04D29/44; F04D29/441; F04D27/00; F04D27/02; F04D27/0207; F04D27/023; F04D27/0238; F04D29/66; F04D29/68; F04D29/681; F04D29/682; F04D29/684; Y; Y10; Y10S; Y10S415/00; Y10S415/914
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) | 1956-10-19 | 1957-04-20 | 1957-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-19 | 1961-04-20 | 1961-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-19 | 1965-04-20 | 1965-10-20 | $7700.00 | Window Closed / Lapsed |