US2589349A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic key case
Assignee: Individual
•
Filing: 1948-11-10
•
Granted: 1952-03-18
•
Expires: 1968-11-10
Abstract
No abstract record available.
Inventors
- 👤 Ervin P Diefenbach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:38
CPC Classifications
A; A45; A45C; A45C11/00; A45C11/32; Y; Y10; Y10S; Y10S206/00; Y10S206/818; Y10S211/00; Y10S211/01; Y10T; Y10T70/00; Y10T70/50; Y10T70/5009; Y10T70/5031; Y10T70/80; Y10T70/8432; Y10T70/8676
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US407477A
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US1624741A
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US1769415A
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US1952596A
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US2144184A
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US2083356A
Cited
US2164623A
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US2217514A
Cited
US2283543A
Cited
US2487897A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-18 | 1955-09-17 | 1956-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-18 | 1959-09-17 | 1960-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-18 | 1963-09-17 | 1964-03-18 | $7700.00 | Window Closed / Lapsed |