US1419607A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical equipment of motor vehicles and aircraft
Assignee: RICHARD EDWARD ASPDEN
•
Filing: 1920-08-28
•
Granted: 1922-06-13
•
Expires: 1940-08-28
Abstract
No abstract record available.
Inventors
- 👤 Frederic H Bowman
- 👤 Ralph L Aspden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:17
CPC Classifications
H; H02; H02J; H02J7/00; H02J7/14; Y; Y10; Y10T; Y10T74/00; Y10T74/13
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) | 1925-06-12 | 1925-12-12 | 1926-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-06-12 | 1929-12-12 | 1930-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-06-12 | 1933-12-12 | 1934-06-13 | $7700.00 | Window Closed / Lapsed |