Patent EP0390986A1 successfully refreshed from Google Patents.
US3194931A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improved block-electrical brush assembly
Assignee: American Radiator and Standard Sanitary Corp
•
Filing: 1961-05-10
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Granted: 1965-07-13
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Expires: 1981-05-10
Abstract
No abstract record available.
Inventors
- 👤 Emil R Plasko
- 👤 Maynard E Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:10
CPC Classifications
H; H01; H01H; H01H11/00; H01H11/0056; H01H1/00; H01H1/12; H01H1/36; H01H1/40; H01H1/403; H01H43/00; H01H43/02; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49119
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1362553A
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US2156465A
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US2488669A
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US2438046A
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US2591684A
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US2734257A
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US2824924A
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US3015000A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |