Patent US2565309A successfully refreshed from Google Patents.
US2565309A
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US
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Hypodermic needle sharpener
Assignee: Individual
•
Filing: 1949-03-26
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Granted: 1951-08-21
•
Expires: 1969-03-26
Abstract
No abstract record available.
Inventors
- 👤 Jr George W Jacoby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:38
CPC Classifications
B; B24; B24B; B24B19/00; B24B19/16; Y; Y10; Y10T; Y10T82/00; Y10T82/24
Claims Analysis
Total Claims: 0
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US1915247A
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US2429357A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-20 | 1955-02-19 | 1955-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-20 | 1959-02-19 | 1959-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-20 | 1963-02-19 | 1963-08-21 | $7700.00 | Window Closed / Lapsed |