Patent US3618432A successfully refreshed from Google Patents.
US3618432A
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Vibration-free lathe
Assignee: BRIESE INDUSTRIAL TECHNOLOGIES Inc
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Filing: 1969-03-17
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Granted: 1971-11-09
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Expires: 1989-03-17
Abstract
Abstract A NOVEL LATHE CONSTRUCTION ENABLES A SMOOTH, MIRRORLIKE SURFACE TO BE MACHINED BY THE LATHE. THE DESIGN IS ESPECIALLY SUITED TO PRODUCTS REQUIRNG AN EXTREMELY SMOOTH SURFACE, FOR EXAMPLE MEMORY DISCS FOR COMPUTERS.
Inventors
- 👤 Leonard A Briese
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:18
CPC Classifications
B; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/26; B23Q1/38; B23B; B23B31/00; B23B31/02; B23B31/24; B23B31/30; B23B31/307; B23Q1/01; B25; B25B; B25B11/00; B25B11/005; Y; Y10; Y10T; Y10T82/00; Y10T82/25; Y10T82/2566
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) | 1974-11-08 | 1975-05-10 | 1975-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-08 | 1979-05-10 | 1979-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-08 | 1983-05-10 | 1983-11-09 | $7700.00 | Window Closed / Lapsed |