Patent US2583850A successfully refreshed from Google Patents.
US2583850A
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Assignee: Lovell Manufacturing Co
•
Filing: 1948-01-29
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Granted: 1952-01-29
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Expires: 1968-01-29
Abstract
No abstract record available.
Inventors
- 👤 Walter L Kauffman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:20
CPC Classifications
D; D06; D06F; D06F58/00; D06F58/02; Y; Y10; Y10S; Y10S55/00; Y10S55/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1996253A
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US2027590A
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US2314748A
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US2334025A
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US2315354A
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US2406494A
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US2390504A
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US2398880A
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US2505041A
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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) | 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 |