Patent US2312232A successfully refreshed from Google Patents.
US736297A
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Rheostat and resistance element therefor.
Assignee: SECURITY INVESTMENT Co
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Filing: 1902-06-03
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Granted: 1903-08-11
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Expires: 1922-06-03
Abstract
No abstract record available.
Inventors
- 👤 Charles J Reed
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:08
CPC Classifications
H; H01; H01C; H01C10/00; H01C10/06; G; G05; G05F; G05F1/00; G05F1/10; G05F1/12
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) | 1906-08-10 | 1907-02-09 | 1907-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-08-10 | 1911-02-09 | 1911-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-08-10 | 1915-02-09 | 1915-08-11 | $7700.00 | Window Closed / Lapsed |