US2671606A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compressor for air or other gaseous fluid
Assignee: Ricardo PLC
•
Filing: 1952-08-04
•
Granted: 1954-03-09
•
Expires: 1972-08-04
Abstract
No abstract record available.
Inventors
- 👤 Ricardo Harry Ralph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:30
CPC Classifications
F; F04; F04B; F04B27/00; F04B27/08; F04B27/10; F04B27/12; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18296; Y10T74/18336
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB163857A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-08 | 1957-09-07 | 1958-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-08 | 1961-09-07 | 1962-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-08 | 1965-09-07 | 1966-03-09 | $7700.00 | Window Closed / Lapsed |