US2855477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Time-sequence control
Assignee: American Radiator and Standard Sanitary Corp
•
Filing: 1956-02-06
•
Granted: 1958-10-07
•
Expires: 1976-02-06
Abstract
No abstract record available.
Inventors
- 👤 Jr Myron E Ullman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:49
CPC Classifications
H; H01; H01H; H01H43/00; H01H43/10; H01H43/12; H01H43/125; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2101; Y10T74/2102; Y10T74/2106
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US507785A
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US2050614A
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US2603287A
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US1851246A
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US1710367A
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US1708619A
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US1989522A
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US2249237A
Cited
US2487286A
Cited
US2776009A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-06 | 1962-04-07 | 1962-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-06 | 1966-04-07 | 1966-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-06 | 1970-04-07 | 1970-10-07 | $7700.00 | Window Closed / Lapsed |