US995091A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controller-regulator.
Assignee: CHARLES F BURTON
•
Filing: 1911-03-18
•
Granted: 1911-06-13
•
Expires: 1931-03-18
Abstract
No abstract record available.
Inventors
- 👤 Joseph Y Porter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:57
CPC Classifications
H; H01; H01H; H01H3/00; H01H3/02; H01H3/04; G; G05; G05G; G05G7/00; G05G7/02; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20924
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) | 1914-06-12 | 1914-12-12 | 1915-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-06-12 | 1918-12-12 | 1919-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-06-12 | 1922-12-12 | 1923-06-13 | $7700.00 | Window Closed / Lapsed |