Patent US861310A successfully refreshed from Google Patents.
US861310A
Expired / Lapsed
US
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Electrothermal switch.
Assignee: FRANK B COOK
•
Filing: 1903-07-06
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Granted: 1907-07-30
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Expires: 1923-07-06
Abstract
No abstract record available.
Inventors
- 👤 James G Nolen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:01
CPC Classifications
H; H01; H01H; H01H29/00; H01H29/28; Y; Y10; Y10S; Y10S297/00; Y10S297/05
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) | 1910-07-29 | 1911-01-28 | 1911-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-07-29 | 1915-01-28 | 1915-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-07-29 | 1919-01-28 | 1919-07-30 | $7700.00 | Window Closed / Lapsed |