US1709083A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric controlling apparatus
Assignee: Individual
•
Filing: 1919-10-03
•
Granted: 1929-04-16
•
Expires: 1939-10-03
Abstract
No abstract record available.
Inventors
- 👤 Littlefield Edgar Earle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:13
CPC Classifications
E; E03; E03D; E03D5/00; E03D5/10; E03D5/105; E03D13/00; Y; Y10; Y10S; Y10S4/00; Y10S4/03; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7306; Y10T137/7358; Y10T137/7368; Y10T137/7722; Y10T137/7758; Y10T137/7761
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1932-04-15 | 1932-10-15 | 1933-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-04-15 | 1936-10-15 | 1937-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-04-15 | 1940-10-15 | 1941-04-16 | $7700.00 | Window Closed / Lapsed |