US1131119A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of grinding.
Assignee: Warner Brothers Co
•
Filing: 1914-07-17
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Granted: 1915-03-09
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Expires: 1934-07-17
Abstract
No abstract record available.
Inventors
- 👤 Jay Ellis Crandall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:37
CPC Classifications
B; B24; B24B; B24B55/00; B24B55/02; Y; Y10; Y10T; Y10T83/00; Y10T83/04; Y10T83/0515; Y10T83/0519
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) | 1918-03-08 | 1918-09-07 | 1919-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-03-08 | 1922-09-07 | 1923-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-03-08 | 1926-09-07 | 1927-03-09 | $7700.00 | Window Closed / Lapsed |