US2111248A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Abrasive body and method of making the same
Assignee: Stokes and Smith Co
•
Filing: 1929-09-04
•
Granted: 1938-03-15
•
Expires: 1949-09-04
Abstract
No abstract record available.
Inventors
- 👤 Emil E Novotny
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:59
CPC Classifications
C; C08; C08L; C08L61/00; C08L61/04; C08L61/06; C08L75/00; C08L75/04; 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) | 1941-03-14 | 1941-09-13 | 1942-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-03-14 | 1945-09-13 | 1946-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-03-14 | 1949-09-13 | 1950-03-15 | $7700.00 | Window Closed / Lapsed |