US2557565A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lock and key
Assignee: Individual
•
Filing: 1945-10-06
•
Granted: 1951-06-19
•
Expires: 1965-10-06
Abstract
No abstract record available.
Inventors
- 👤 Rifkin Jacob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:52
CPC Classifications
A; A45; A45C; A45C1/00; A45C1/10; A45C2001/003; Y; Y10; Y10T; Y10T292/00; Y10T292/28; Y10T292/283; Y10T292/51; Y10T70/00; Y10T70/40; Y10T70/413; Y10T70/437; Y10T70/483; Y10T70/50; Y10T70/5009; Y10T70/5031; Y10T70/5035; Y10T70/504
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US161023A
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US206238A
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US558814A
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US612138A
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US700502A
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US1131085A
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US1079839A
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US1530435A
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US1512632A
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US1908241A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-18 | 1954-12-18 | 1955-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-18 | 1958-12-18 | 1959-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-18 | 1962-12-18 | 1963-06-19 | $7700.00 | Window Closed / Lapsed |