US2499033A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Impact dynamometer
Assignee: North American Aviation Corp
•
Filing: 1947-05-26
•
Granted: 1950-02-28
•
Expires: 1967-05-26
Abstract
No abstract record available.
Inventors
- 👤 John M Oberholtzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:29
CPC Classifications
G; G01; G01L; G01L1/00; G01L1/20; G01L1/22; G01L1/2206; G01G; G01G23/00; G01G23/01; G01G3/00; G01G3/12; G01G3/14; G01G3/1402; G01G3/1404; G01N; G01N3/00; G01N3/30; G01N2203/00; G01N2203/02; G01N2203/06; G01N2203/0617; Y; Y10; Y10S; Y10S33/00; Y10S33/13
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1046063A
Cited
US1921624A
Cited
US2213982A
Cited
US2322319A
Cited
US2350722A
Cited
US2359245A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-27 | 1953-08-29 | 1954-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-27 | 1957-08-29 | 1958-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-27 | 1961-08-29 | 1962-02-28 | $7700.00 | Window Closed / Lapsed |