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Patent US769619A successfully refreshed from Google Patents.
US769619A
Expired / Lapsed
US
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Starting-rheostat.
Assignee: General Electric Co
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Filing: 1901-07-26
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Granted: 1904-09-06
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Expires: 1921-07-26
Abstract
No abstract record available.
Inventors
- 👤 Frederick Mackintosh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:59
CPC Classifications
F; F04; F04B; F04B49/00; F04B49/06; F04B49/065
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) | 1907-09-06 | 1908-03-07 | 1908-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1911-09-06 | 1912-03-07 | 1912-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1915-09-06 | 1916-03-07 | 1916-09-06 | $7700.00 | Window Closed / Lapsed |