Patent US2813620A successfully refreshed from Google Patents.
US2813620A
Expired / Lapsed
US
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Container for keys, sales information, and the like
Assignee: Individual
•
Filing: 1956-09-24
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Granted: 1957-11-19
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Expires: 1976-09-24
Abstract
No abstract record available.
Inventors
- 👤 Carl A Hansen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:15
CPC Classifications
E; E05; E05B; E05B19/00; E05B19/0005; A; A45; A45C; A45C11/00; A45C11/32; Y; Y10; 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)
US1541585A
Cited
US1934319A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-18 | 1961-05-20 | 1961-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-18 | 1965-05-20 | 1965-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-18 | 1969-05-20 | 1969-11-19 | $7700.00 | Window Closed / Lapsed |