US2663976A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for sharpening hypodermic needles and other instruments
Assignee: Individual
•
Filing: 1949-11-30
•
Granted: 1953-12-29
•
Expires: 1969-11-30
Abstract
No abstract record available.
Inventors
- 👤 Jr George W Jacoby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:06
CPC Classifications
B; B24; B24B; B24B19/00; B24B19/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US448616A
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US1915247A
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US1994975A
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US1950824A
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US2187231A
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US2288624A
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US2279673A
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US2405524A
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US2525264A
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US2429357A
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US2468686A
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US2565309A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-28 | 1957-06-29 | 1957-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-28 | 1961-06-29 | 1961-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-28 | 1965-06-29 | 1965-12-29 | $7700.00 | Window Closed / Lapsed |