US2322156A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coated abrasive
Assignee: Saint Gobain Abrasives Inc
•
Filing: 1941-12-30
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Granted: 1943-06-15
•
Expires: 1961-12-30
Abstract
No abstract record available.
Inventors
- 👤 Nicholas E Oglesby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:11
CPC Classifications
C; C08; C08L; C08L75/00; C08L75/04; B; B24; B24D; B24D11/00; F; F16; F16D; F16D69/00; C08J; C08J2375/00; C08J2375/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1946-06-14 | 1946-12-14 | 1947-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-06-14 | 1950-12-14 | 1951-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-06-14 | 1954-12-14 | 1955-06-15 | $7700.00 | Window Closed / Lapsed |