US2583547A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control instrument
Assignee: Individual
•
Filing: 1947-03-26
•
Granted: 1952-01-29
•
Expires: 1967-03-26
Abstract
No abstract record available.
Inventors
- 👤 Duncan B Cox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:04
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/275; G05D23/1906; G05D23/1913; Y; Y10; Y10S; Y10S236/00; Y10S236/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US260651A
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US1859099A
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US2052537A
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US1916409A
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US2275928A
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US2073286A
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US2033410A
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US2116389A
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US2111816A
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US2238219A
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US2228515A
Cited
US2216809A
Cited
US2181606A
Cited
US2285913A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-28 | 1955-07-30 | 1956-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-28 | 1959-07-30 | 1960-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-28 | 1963-07-30 | 1964-01-29 | $7700.00 | Window Closed / Lapsed |