Patent US2532737A successfully refreshed from Google Patents.
US2532737A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air supply outlet
Assignee: Individual
•
Filing: 1946-11-22
•
Granted: 1950-12-05
•
Expires: 1966-11-22
Abstract
No abstract record available.
Inventors
- 👤 Simpson Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:16
CPC Classifications
F; F24; F24F; F24F13/00; F24F13/02; F24F13/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1303210A
Cited
GB341460A
Cited
US2197614A
Cited
US2190937A
Cited
US2269376A
Cited
US2296314A
Cited
US2378012A
Cited
US2341296A
Cited
US2369119A
Cited
US2418266A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-04 | 1954-06-05 | 1954-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-04 | 1958-06-05 | 1958-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-04 | 1962-06-05 | 1962-12-05 | $7700.00 | Window Closed / Lapsed |