Patent US662480A successfully refreshed from Google Patents.
US662480A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic circuit-controller.
Assignee: Individual
•
Filing: 1900-03-19
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Granted: 1900-11-27
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Expires: 1920-03-19
Abstract
No abstract record available.
Inventors
- 👤 George H Whittingham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:36
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/22; G01F23/26; G01F23/263; G01F23/265; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20582; Y10T74/2063
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) | 1903-11-27 | 1904-05-28 | 1904-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1907-11-27 | 1908-05-28 | 1908-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1911-11-27 | 1912-05-28 | 1912-11-27 | $7700.00 | Window Closed / Lapsed |