US2010922A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass grinding machine
Assignee: Individual
•
Filing: 1933-12-30
•
Granted: 1935-08-13
•
Expires: 1953-12-30
Abstract
No abstract record available.
Inventors
- 👤 Matthew J Leonard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:33
CPC Classifications
B; B24; B24B; B24B9/00; B24B9/02; B24B9/06; B24B9/08; B24B9/10; B24B9/107; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/301176; Y10T409/304536; Y10T409/305544; Y10T409/305656; Y10T409/306664; Y10T409/307784; Y10T409/30868; Y10T409/309016
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) | 1938-08-12 | 1939-02-11 | 1939-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-08-12 | 1943-02-11 | 1943-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-08-12 | 1947-02-11 | 1947-08-13 | $7700.00 | Window Closed / Lapsed |