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US2613869A
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Axial flow compressor
Assignee: Rateau SA
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Filing: 1947-10-14
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Granted: 1952-10-14
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Expires: 1967-10-14
Abstract
No abstract record available.
Inventors
- 👤 Anxionnaz Rene
- 👤 Roger J Imbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:54
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/26; F04D29/32; F04D29/321; F04D29/40; F04D29/52; F04D29/54; F04D29/541; F04D29/542; F04D29/544
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) | 1955-10-14 | 1956-04-14 | 1956-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-14 | 1960-04-14 | 1960-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-14 | 1964-04-14 | 1964-10-14 | $7700.00 | Window Closed / Lapsed |