US1029974A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controlling means for electric circuits.
Assignee: SEARS B CONDIT JR
•
Filing: 1911-12-22
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Granted: 1912-06-18
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Expires: 1931-12-22
Abstract
No abstract record available.
Inventors
- 👤 George A Burnham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:26
CPC Classifications
H; H02; H02J; H02J13/00; H02J13/13; H02J13/1311; H02J13/1313; Y; Y02; Y02E; Y02E60/00; Y04; Y04S; Y04S40/00; Y04S40/12; Y04S40/121
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) | 1915-06-18 | 1915-12-18 | 1916-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-06-18 | 1919-12-18 | 1920-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-06-18 | 1923-12-18 | 1924-06-18 | $7700.00 | Window Closed / Lapsed |