Patent US982869A successfully refreshed from Google Patents.
US982869A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric switch.
Assignee: Individual
•
Filing: 1909-04-07
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Granted: 1911-01-31
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Expires: 1929-04-07
Abstract
No abstract record available.
Inventors
- 👤 William T Pringle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:11
CPC Classifications
H; H01; H01H; H01H1/00; H01H1/12; H01H1/36; H01H1/42; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20636; Y10T74/20666
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) | 1914-01-30 | 1914-08-01 | 1915-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-01-30 | 1918-08-01 | 1919-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-01-30 | 1922-08-01 | 1923-01-31 | $7700.00 | Window Closed / Lapsed |