Patent US2413337A successfully refreshed from Google Patents.
US2413337A
Expired / Lapsed
US
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Key retainer
Assignee: Individual
•
Filing: 1943-04-05
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Granted: 1946-12-31
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Expires: 1963-04-05
Abstract
No abstract record available.
Inventors
- 👤 Segal Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:06
CPC Classifications
A; A44; A44B; A44B11/00; A44B11/20; A44B11/24; A44B11/005; A45; A45C; A45C11/00; A45C11/32; Y; Y10; Y10T; Y10T70/00; Y10T70/80; Y10T70/8432; Y10T70/8676
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-12-30 | 1950-07-01 | 1950-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-12-30 | 1954-07-01 | 1954-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-12-30 | 1958-07-01 | 1958-12-31 | $7700.00 | Window Closed / Lapsed |