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Patent US2585122A successfully refreshed from Google Patents.
US2585122A
Expired / Lapsed
US
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Closure operating means
Assignee: Individual
•
Filing: 1948-09-03
•
Granted: 1952-02-12
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Expires: 1968-09-03
Abstract
No abstract record available.
Inventors
- 👤 Rush S Hartman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:38
CPC Classifications
E; E05; E05F; E05F11/00; E05F11/02; E05F11/08; E05F11/12; E05F11/16; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18576; Y10T74/18648
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1624677A
Cited
US1619167A
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US1924557A
Cited
CH141485A
Cited
US1989550A
Cited
US2241513A
Cited
US2337913A
Cited
US2366613A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-11 | 1955-08-13 | 1956-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-11 | 1959-08-13 | 1960-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-11 | 1963-08-13 | 1964-02-12 | $7700.00 | Window Closed / Lapsed |