US2525264A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for sharpening hollow surgical needles
Assignee: Individual
•
Filing: 1946-09-26
•
Granted: 1950-10-10
•
Expires: 1966-09-26
Abstract
No abstract record available.
Inventors
- 👤 William A Milner
- 👤 William C Bennett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:48
CPC Classifications
B; B24; B24B; B24B19/00; B24B19/16
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US187257A
Cited
US1782063A
Cited
US1915247A
Cited
US2008943A
Cited
GB438215A
Cited
US2154999A
Cited
US2187231A
Cited
US2307407A
Cited
US2429357A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-09 | 1954-04-10 | 1954-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-09 | 1958-04-10 | 1958-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-09 | 1962-04-10 | 1962-10-10 | $7700.00 | Window Closed / Lapsed |