Patent US691675A successfully refreshed from Google Patents.
US691675A
Expired / Lapsed
US
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Manufacture of electrical condensers.
Assignee: General Electric Co
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Filing: 1901-01-02
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Granted: 1902-01-21
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Expires: 1921-01-02
Abstract
No abstract record available.
Inventors
- 👤 Elihu Thomson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:48
CPC Classifications
H; H01; H01G; H01G13/00; Y; Y10; Y10T; Y10T29/00; Y10T29/43; Y10T29/435
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) | 1905-01-20 | 1905-07-22 | 1906-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1909-01-20 | 1909-07-22 | 1910-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1913-01-20 | 1913-07-22 | 1914-01-21 | $7700.00 | Window Closed / Lapsed |