US2360671A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surface grinder
Assignee: Cincinnati Grinders Inc
•
Filing: 1942-03-30
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Granted: 1944-10-17
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Expires: 1962-03-30
Abstract
No abstract record available.
Inventors
- 👤 Frederick S Haas
- 👤 Carl O Graves
- 👤 Albert C Janke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 00:45
CPC Classifications
B; B24; B24B; B24B47/00; B24B47/02; B24B47/06; B24B7/00; B24B7/02; C; C07; C07C; C07C51/00; C07C51/16; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/304536; Y10T409/305936
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) | 1947-10-17 | 1948-04-17 | 1948-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-10-17 | 1952-04-17 | 1952-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-10-17 | 1956-04-17 | 1956-10-17 | $7700.00 | Window Closed / Lapsed |