US2548465A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compressor
Assignee: Wright Aeronautical Corp
•
Filing: 1946-11-27
•
Granted: 1951-04-10
•
Expires: 1966-11-27
Abstract
No abstract record available.
Inventors
- 👤 Harry W Burdett
- 👤 Frank B Page
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:47
CPC Classifications
F; F04; F04D; F04D19/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1042506A
Cited
US2083996A
Cited
GB489318A
Cited
US2236706A
Cited
US2354653A
Cited
US2284141A
Cited
US2446552A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-09 | 1954-10-09 | 1955-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-09 | 1958-10-09 | 1959-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-09 | 1962-10-09 | 1963-04-10 | $7700.00 | Window Closed / Lapsed |