US2801053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1954-06-22
•
Granted: 1957-07-30
•
Expires: 1974-06-22
Abstract
No abstract record available.
Inventors
- 👤 John P Roscoe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:36
CPC Classifications
H; H01; H01B; H01B7/00; H01B7/10; G; G08; G08G; G08G1/00; G08G1/01; G08G1/015
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1317020A
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CH153644A
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US1915292A
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US2165227A
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US2132685A
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US2163960A
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US2156715A
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US2188511A
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US2437969A
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US2525824A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-29 | 1961-01-28 | 1961-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-29 | 1965-01-28 | 1965-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-29 | 1969-01-28 | 1969-07-30 | $7700.00 | Window Closed / Lapsed |