US2053183A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aerial flight integrator
Assignee: Individual
•
Filing: 1930-11-07
•
Granted: 1936-09-01
•
Expires: 1950-11-07
Abstract
No abstract record available.
Inventors
- 👤 Carl J Crane
- 👤 William C Ocker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:41
CPC Classifications
G; G01; G01C; G01C19/00; G01C19/02; G01C19/42; Y; Y10; Y10T; Y10T74/00; Y10T74/12; Y10T74/1282
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1939-09-01 | 1940-03-02 | 1940-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-09-01 | 1944-03-02 | 1944-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-09-01 | 1948-03-02 | 1948-09-01 | $7700.00 | Window Closed / Lapsed |