US1023490A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Battery-current-limiting device.
Assignee: Individual
•
Filing: 1908-09-14
•
Granted: 1912-04-16
•
Expires: 1928-09-14
Abstract
No abstract record available.
Inventors
- 👤 Harold M Beck
- 👤 Cornelius Ambruster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:38
CPC Classifications
H; H02; H02J; H02J7/00; H02J7/34; Y; Y10; Y10S; Y10S137/00; Y10S137/907; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18296; Y10T74/18304; Y10T74/18312; Y10T74/18328
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) | 1915-04-16 | 1915-10-16 | 1916-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-04-16 | 1919-10-16 | 1920-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-04-16 | 1923-10-16 | 1924-04-16 | $7700.00 | Window Closed / Lapsed |