US774444A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Burnishing device.
Assignee: FLEXIBLE METAL Manufacturing Co
•
Filing: 1902-12-18
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Granted: 1904-11-08
•
Expires: 1922-12-18
Abstract
No abstract record available.
Inventors
- 👤 Winfield J Mitchell
- 👤 James R Mitchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:32
CPC Classifications
C; C09; C09G; C09G1/00; B; B24; B24D; B24D5/00; B24D5/02; B24D5/04
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) | 1907-11-08 | 1908-05-09 | 1908-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1911-11-08 | 1912-05-09 | 1912-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1915-11-08 | 1916-05-09 | 1916-11-08 | $7700.00 | Window Closed / Lapsed |