US2562176A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical selective control apparatus
Assignee: Individual
•
Filing: 1945-09-25
•
Granted: 1951-07-31
•
Expires: 1965-09-25
Abstract
No abstract record available.
Inventors
- 👤 Herman H Curry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:22
CPC Classifications
G; G01; G01S; G01S1/00; G01S1/02; G01S1/68; G01S1/685; G08; G08C; G08C19/00; G08C19/16; G08C19/28; Y; Y10; Y10T; Y10T70/00; Y10T70/70; Y10T70/7051; Y10T70/7062; Y10T70/7068; Y10T70/7113
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1205460A
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US1888904A
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US1791587A
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US2095688A
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US2069860A
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US2141551A
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US2235804A
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US2262766A
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US2295025A
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US2325829A
Cited
US2406834A
Cited
US2434898A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-30 | 1955-01-29 | 1955-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-30 | 1959-01-29 | 1959-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-30 | 1963-01-29 | 1963-07-31 | $7700.00 | Window Closed / Lapsed |