US2449696A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil temperature regulator
Assignee: United Aircraft Products Inc
•
Filing: 1943-12-14
•
Granted: 1948-09-21
•
Expires: 1963-12-14
Abstract
No abstract record available.
Inventors
- 👤 Walter H Geddes
- 👤 Phillip W Schanke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:33
CPC Classifications
F; F01; F01P; F01P11/00; F01P11/08; G; G05; G05D; G05D23/00; G05D23/01; G05D23/02; G05D23/024
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE419023C
Cited
US1992796A
Cited
US2107188A
Cited
US2279285A
Cited
US2352704A
Cited
US2291637A
Cited
US2288599A
Cited
US2374639A
Cited
US2322047A
Cited
US2354371A
Cited
US2359448A
Cited
US2353577A
Cited
US2353610A
Cited
US2396053A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-09-21 | 1952-03-22 | 1952-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-09-21 | 1956-03-22 | 1956-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-09-21 | 1960-03-22 | 1960-09-21 | $7700.00 | Window Closed / Lapsed |