US1156892A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of machining metals and other very hard and highly-resilient materials.
Assignee: Individual
•
Filing: 1915-06-19
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Granted: 1915-10-19
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Expires: 1935-06-19
Abstract
No abstract record available.
Inventors
- 👤 Charles Alphonse Clement De La Poix De Freminville
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:03
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/82; A61F2/86; A61F2/90; A61F2/91; Y; Y10; Y10S; Y10S82/00; Y10S82/90; Y10T; Y10T29/00; Y10T29/49; Y10T29/49995; Y10T82/00; Y10T82/30
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) | 1918-10-18 | 1919-04-19 | 1919-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-10-18 | 1923-04-19 | 1923-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-10-18 | 1927-04-19 | 1927-10-19 | $7700.00 | Window Closed / Lapsed |