Patent US4177699A successfully refreshed from Google Patents.
US4177699A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of machining end faces
Assignee: Individual
•
Filing: 1978-06-21
•
Granted: 1979-12-11
•
Expires: 1998-06-21
Abstract
Abstract The invention relates to methods of machining end faces with rotary tools. The method according to the invention comprises imparting to the workpiece a rotary motion and to the tool--a straight feed motion at an angle 20°-75° to the radius of the workpiece.
Inventors
- 👤 Stanislav A. Dovnar
- 👤 Valery A. Sidorenko
- 👤 Evgeny I. Morgunsky
- 👤 Nikolai V. Vishnev
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:48
CPC Classifications
B; B23; B23B; B23B1/00; B23B27/00; B23B27/10; B23B27/12; B23D; B23D79/00; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/303752; Y10T409/303808; Y10T409/304536; Y10T409/305544; Y10T409/305656; Y10T409/305712; Y10T82/00; Y10T82/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
A method of machining end faces with rotary tools comprising the steps of: imparting to the workpiece a rotary motion; imparting to the tool a straight motion at an angle 20°-75° to the radius of the workpiece.
Claim 2
Independent Claim
37 words
A method of machining end faces with rotary tools comprising the steps of: imparting to the workpiece a rotary motion; imparting to the tool a straight motion at an angle 20°-75° to the radius of the workpiece.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-12-10 | 1983-06-11 | 1983-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-12-10 | 1987-06-11 | 1987-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-12-10 | 1991-06-11 | 1991-12-11 | $7700.00 | Window Closed / Lapsed |