US2089040A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grinding machine and method of grinding
Assignee: Gardner Machine Co
•
Filing: 1935-07-05
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Granted: 1937-08-03
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Expires: 1955-07-05
Abstract
No abstract record available.
Inventors
- 👤 Ingle R Shue
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:44
CPC Classifications
B; B24; B24D; B24D7/00; B24D7/10; Y; Y10; Y10S; Y10S29/00; Y10S29/068; Y10S29/091
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) | 1940-08-02 | 1941-02-01 | 1941-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-08-02 | 1945-02-01 | 1945-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-08-02 | 1949-02-01 | 1949-08-03 | $7700.00 | Window Closed / Lapsed |