US3289504A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic lathe
Assignee: Individual
•
Filing: 1964-03-12
•
Granted: 1966-12-06
•
Expires: 1984-03-12
Abstract
No abstract record available.
Inventors
- 👤 Bergonzo Pierre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:51
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/24; B23B31/30; B23B31/10; B23B31/12; B23B31/20; B23B31/201; B23B31/207; B23B31/2072; B23B2270/00; B23B2270/02; B23B2270/025; B23B2270/027; Y; Y10; Y10T; Y10T279/00; Y10T279/12; Y10T279/1241; Y10T279/1249; Y10T279/1266; Y10T279/1274; Y10T279/1291; Y10T82/00; Y10T82/25; Y10T82/2552
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
AN AUTOMATIC LATHE WHICH COMPRISES A ROTARY SPINDLE PASSING THROUGH A HEADSTOCK FROM ONE END TO THE OTHER, THIS SPINDLE COMPRISING AT ITS FRONT END ATTACHMENT MEANS FOR A REMOVABLE CLAMPING DEVICE FOR CLAMPING A WORKPIECE TO BE MACHINED AND AT ITS REAR END A COUPLING MEMBER CONSTITUTED BY A DISC RIGIDLY FIXED AT THE END OF SAID SPINDLE AND HAVING A PLURALITY OF STUDS EXTENDING PARALLEL TO SAID SPINDLE AND OUTWARDLY RELATIVELY TO SAID HEADSTOCK REMOVABLY TO SECURE A CONTROL DEVICE TO SAID SPINDLE, SAID HEADSTOCK COMPRISING ON ITS REAR FACE AN ATTACHMENT DEVICE AND IN WHICH FURTHER THE COUPLING MEMBER AND THE ATTACHMENT DEVICE MECHANICALLY CONNECT THE SPINDLE AND THE HEADSTOCK RESPECTIVELY TO SAID CONTROL DEVICE CONTROLLING IN PARTICULAR THE SAID CLAMPING DEVICE.
Claim 2
Dependent Claim
125 words
AN AUTOMATIC LATHE WHICH COMPRISES A ROTARY SPINDLE PASSING THROUGH A HEADSTOCK FROM ONE END TO THE OTHER, THIS SPINDLE COMPRISING AT ITS FRONT END ATTACHMENT MEANS FOR A REMOVABLE CLAMPING DEVICE FOR CLAMPING A WORKPIECE TO BE MACHINED AND AT ITS REAR END A COUPLING MEMBER CONSTITUTED BY A DISC RIGIDLY FIXED AT THE END OF SAID SPINDLE AND HAVING A PLURALITY OF STUDS EXTENDING PARALLEL TO SAID SPINDLE AND OUTWARDLY RELATIVELY TO SAID HEADSTOCK REMOVABLY TO SECURE A CONTROL DEVICE TO SAID SPINDLE, SAID HEADSTOCK COMPRISING ON ITS REAR FACE AN ATTACHMENT DEVICE AND IN WHICH FURTHER THE COUPLING MEMBER AND THE ATTACHMENT DEVICE MECHANICALLY CONNECT THE SPINDLE AND THE HEADSTOCK RESPECTIVELY TO SAID CONTROL DEVICE CONTROLLING IN PARTICULAR THE SAID CLAMPING DEVICE.
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) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |