Patent US2759263A successfully refreshed from Google Patents.
US2759263A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Deburring means
Assignee: Individual
•
Filing: 1953-05-04
•
Granted: 1956-08-21
•
Expires: 1973-05-04
Abstract
No abstract record available.
Inventors
- 👤 Harold E Shigley
- 👤 Archie J Frame
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:09
CPC Classifications
B; B26; B26B; B26B5/00; B23; B23B; B23B51/00; B23B51/10; B23B51/101
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US847321A
Cited
US1842903A
Cited
US1775813A
Cited
US2359607A
Cited
US2598443A
Cited
US2646621A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-21 | 1960-02-20 | 1960-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-21 | 1964-02-20 | 1964-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-21 | 1968-02-20 | 1968-08-21 | $7700.00 | Window Closed / Lapsed |