US1058986A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for controlling electric-light systems.
Assignee: FRANK M CONNOLLY
•
Filing: 1910-03-21
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Granted: 1913-04-15
•
Expires: 1930-03-21
Abstract
No abstract record available.
Inventors
- 👤 Alfred W Knutson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:11
CPC Classifications
H; H02; H02J; H02J13/00; H02J13/13; H02J13/1311; H02J13/1313; Y; Y02; Y02B; Y02B90/00; Y02B90/20; 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) | 1916-04-14 | 1916-10-14 | 1917-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1920-04-14 | 1920-10-14 | 1921-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1924-04-14 | 1924-10-14 | 1925-04-15 | $7700.00 | Window Closed / Lapsed |