Patent US1089907A successfully refreshed from Google Patents.
US1089907A
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US
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Electrical contact.
Assignee: General Electric Co
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Filing: 1912-12-17
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Granted: 1914-03-10
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Expires: 1932-12-17
Abstract
No abstract record available.
Inventors
- 👤 William D Coolidge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:54
CPC Classifications
H; H01; H01H; H01H1/00; H01H1/02; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/929; Y10S428/9335; Y10S428/939; Y10S76/00; Y10S76/12; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12771; Y10T428/12806; Y10T428/12826; Y10T428/1284
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) | 1917-03-09 | 1917-09-08 | 1918-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1921-03-09 | 1921-09-08 | 1922-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1925-03-09 | 1925-09-08 | 1926-03-10 | $7700.00 | Window Closed / Lapsed |