US2736830A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Current-conveying brushes
Assignee: General Electric Co
•
Filing: 1951-07-25
•
Granted: 1956-02-28
•
Expires: 1971-07-25
Abstract
No abstract record available.
Inventors
- 👤 Robert H Savage
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:51
CPC Classifications
H; H01; H01R; H01R39/00; H01R39/02; H01R39/18; H01R39/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US427674A
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CH14373A
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US677071A
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GB191127621A
Cited
FR594536A
Cited
US1887559A
Cited
US2445003A
Cited
US2428036A
Cited
US2465051A
Cited
US2414514A
Cited
US2462055A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-27 | 1959-08-29 | 1960-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-27 | 1963-08-29 | 1964-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-27 | 1967-08-29 | 1968-02-28 | $7700.00 | Window Closed / Lapsed |