US2747343A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Abrasive articles and the like and holders therefor
Assignee: CONTUR ABRASIVE Co Inc
•
Filing: 1954-09-02
•
Granted: 1956-05-29
•
Expires: 1974-09-02
Abstract
No abstract record available.
Inventors
- 👤 Donald N Gellert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:55
CPC Classifications
B; B24; B24D; B24D9/00; B24D9/08; B24D9/085
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US368457A
Cited
US1724742A
Cited
US2087318A
Cited
US2402691A
Cited
US2469429A
Cited
US2616230A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-29 | 1959-11-28 | 1960-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-29 | 1963-11-28 | 1964-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-29 | 1967-11-28 | 1968-05-29 | $7700.00 | Window Closed / Lapsed |