US2437849A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump
Assignee: National Aeronautics and Space Administration
•
Filing: 1944-11-08
•
Granted: 1948-03-16
•
Expires: 1964-11-08
Abstract
No abstract record available.
Inventors
- 👤 Joseph H Cox
- 👤 August P Colaiaco
- 👤 Herbert A Rose
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:05
CPC Classifications
F; F04; F04F; F04F9/00; Y; Y10; Y10S; Y10S55/00; Y10S55/15
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2080421A
Cited
US2153189A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-03-16 | 1951-09-15 | 1952-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-16 | 1955-09-15 | 1956-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-16 | 1959-09-15 | 1960-03-16 | $7700.00 | Window Closed / Lapsed |