Patent US2582997A successfully refreshed from Google Patents.
US2582997A
Expired / Lapsed
US
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Cosure
Assignee: Individual
•
Filing: 1947-10-20
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Granted: 1952-01-22
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Expires: 1967-10-20
Abstract
No abstract record available.
Inventors
- 👤 Milton P Laurent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:54
CPC Classifications
F; F16; F16J; F16J13/00; F16J13/02; F16J13/04; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49879; Y10T29/49945
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1216771A
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US2016227A
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GB530016A
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US2309122A
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US2390445A
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US2426392A
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US2428963A
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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) | 1955-01-21 | 1955-07-23 | 1956-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-21 | 1959-07-23 | 1960-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-21 | 1963-07-23 | 1964-01-22 | $7700.00 | Window Closed / Lapsed |