US2516618A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible dagger for stabbing and opening oysters, etc.
Assignee: Individual
•
Filing: 1948-01-14
•
Granted: 1950-07-25
•
Expires: 1968-01-14
Abstract
No abstract record available.
Inventors
- 👤 Louis A Crowl
- 👤 Leo F Gast
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:15
CPC Classifications
B; B26; B26B; B26B5/00; A; A47; A47G; A47G21/00; A47G21/06; A47G21/061; A47G21/062; A47G21/065; A47G2021/002; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17863; Y10T279/17871; Y10T279/17881
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-24 | 1954-01-23 | 1954-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-24 | 1958-01-23 | 1958-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-24 | 1962-01-23 | 1962-07-25 | $7700.00 | Window Closed / Lapsed |