US3279288A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic oil device for tool differential pilot control in machine tools
Assignee: Individual
•
Filing: 1964-07-28
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Granted: 1966-10-18
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Expires: 1984-07-28
Abstract
No abstract record available.
Inventors
- 👤 Mannaioni Lelio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:02
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/08; B23Q35/18; B23Q2735/00; B23Q2735/02; B23Q2735/08; B23Q2735/082; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/301176; Y10T409/301624; Y10T409/30168; Y10T409/302072; Y10T409/302128; Y10T82/00; Y10T82/14; Y10T82/141; Y10T82/147
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
AN HYDRAULIC CONTROL DEVICE TO BE MOUNTED ON THE CARRIAGE OF A MACHINE FOR SHAPING A WORKPIECE BY A TOOL, COMPRISING AN HYDRAULIC OPERATOR FOR EFFECTING ADVANCING AND RETRACTING MOVEMENTS OF THE TOOL IN RESPONSE TO THE FLOW OF HYDRAULIC FLUID, A FIRST SLIDE VALVE MEMBER CARRYING A STYLUS FOR ENGAGING A TEMPLATE DEFINING THE SHAPE OF A PATTERN TO CONTROL SAID FLOW AND A SECOND SLIDE VALVE MEMBER CARRYING A STYLUS FOR ENGAGING A CAM TO VARY THE FLOW IN A SENSE TO SUPERIMPOSE AN INCREMENTAL ADVANCE OF THE TOOL ON SAID MOVEMENTS OF THE TOOL.
Claim 2
Dependent Claim
97 words
AN HYDRAULIC CONTROL DEVICE TO BE MOUNTED ON THE CARRIAGE OF A MACHINE FOR SHAPING A WORKPIECE BY A TOOL, COMPRISING AN HYDRAULIC OPERATOR FOR EFFECTING ADVANCING AND RETRACTING MOVEMENTS OF THE TOOL IN RESPONSE TO THE FLOW OF HYDRAULIC FLUID, A FIRST SLIDE VALVE MEMBER CARRYING A STYLUS FOR ENGAGING A TEMPLATE DEFINING THE SHAPE OF A PATTERN TO CONTROL SAID FLOW AND A SECOND SLIDE VALVE MEMBER CARRYING A STYLUS FOR ENGAGING A CAM TO VARY THE FLOW IN A SENSE TO SUPERIMPOSE AN INCREMENTAL ADVANCE OF THE TOOL ON SAID MOVEMENTS OF THE TOOL.
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) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |