Patent US2584721A successfully refreshed from Google Patents.
US2584721A
Expired / Lapsed
US
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Case with spring-urged pivoted sliding closure
Assignee: Individual
•
Filing: 1946-09-13
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Granted: 1952-02-05
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Expires: 1966-09-13
Abstract
No abstract record available.
Inventors
- 👤 Linneman Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:55
CPC Classifications
B; B25; B25H; B25H3/00; B25H3/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1122435A
Cited
US1705284A
Cited
US1720274A
Cited
FR664853A
Cited
US1979828A
Cited
US2138916A
Cited
US2372708A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-04 | 1955-08-06 | 1956-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-04 | 1959-08-06 | 1960-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-04 | 1963-08-06 | 1964-02-05 | $7700.00 | Window Closed / Lapsed |