US901909A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grinding-machine.
Assignee: Individual
•
Filing: 1907-03-18
•
Granted: 1908-10-20
•
Expires: 1927-03-18
Abstract
No abstract record available.
Inventors
- 👤 Allen Johnston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:16
CPC Classifications
B; B24; B24B; B24B9/00; B24B9/02; B24B9/06; B24B9/16; Y; Y10; Y10S; Y10S29/00; Y10S29/067; Y10S29/094; Y10S29/101
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) | 1911-10-20 | 1912-04-20 | 1912-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1915-10-20 | 1916-04-20 | 1916-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1919-10-20 | 1920-04-20 | 1920-10-20 | $7700.00 | Window Closed / Lapsed |