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US2938104A
Expired / Lapsed
US
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Method of machining tools, tool equipment for operating this or similar methods and tool according to those obtained
Assignee: LA POLYMECANIQUE
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Filing: 1958-07-08
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Granted: 1960-05-24
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Expires: 1978-07-08
Abstract
No abstract record available.
Inventors
- 👤 Paillarse Edmond Ma Barthelemy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:19
CPC Classifications
B; B23; B23H; B23H9/00; B23H9/003; B23F; B23F21/00; B23F21/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2650979A
Cited
US2813966A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-24 | 1963-11-23 | 1964-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-24 | 1967-11-23 | 1968-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-24 | 1971-11-23 | 1972-05-24 | $7700.00 | Window Closed / Lapsed |