Patent US3181401A successfully refreshed from Google Patents.
US3181401A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine tool
Assignee: Heald Machine Co
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Filing: 1961-11-01
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Granted: 1965-05-04
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Expires: 1981-11-01
Abstract
No abstract record available.
Inventors
- 👤 Stanley I Rice
- 👤 Alden H Jacobson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:06
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/02; G05B19/18; G05B19/401; G05B19/4015; B; B23; B23B; B23B27/00; B23B27/06; B23B5/00; B23B5/36; B23B5/40; B23Q; B23Q17/00; B23Q17/09; B23Q17/24; G05B2219/00; G05B2219/30; G05B2219/37; G05B2219/37074; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/300896; Y10T82/00; Y10T82/14; Y10T82/141; Y10T82/25; Y10T82/2572
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
A MACHINE TOOL, COMPRISING A BASE, A TOOL HOLDER MOUNTED ON THE BASE FOR MOVEMENT ALONG EITHER OF TWO ANGULARLY-DISPOSED LINES, A TOOL MOUNTED ON THE SAID HOLDER AND HAVING A SUBSTANTIALLY PERFECT SEMI-CIRCULAR CUTTING EDGE, A DEVICE INCLUDING TWO ADJACENT INSPECTION AREAS INTO WHICH THE TOOL IS INTRODUCED AND INCLUDING MEANS INDICATING THE RELATIVE AMOUNTS OF INTRUSION OF THE TOOL INTO THE TWO AREAS, AND APPARATUS RESPONSIVE TO THE INDICATING MEANS AND THE SUM AND DIFFERENCE OF THE INDICATED VALUES TO MOVE THE TOOL HOLDER ALONG ONE OF THE SAID LINES UNTIL THE INDICATED VALUES DIFFER BY A PREDETERMINED VALUE AND WHEN THE SUM OF THE INDICATED VALUES DIFFERS FROM A PREDETERMINED VALUE TO MOVE THE TOOL HOLDER ALONG THE OTHER OF THE SAID LINES UNTIL THE SUM IS EQUAL TO THE LAST-NAMED PREDETERMINED VALUE.
Claim 2
Dependent Claim
136 words
A MACHINE TOOL, COMPRISING A BASE, A TOOL HOLDER MOUNTED ON THE BASE FOR MOVEMENT ALONG EITHER OF TWO ANGULARLY-DISPOSED LINES, A TOOL MOUNTED ON THE SAID HOLDER AND HAVING A SUBSTANTIALLY PERFECT SEMI-CIRCULAR CUTTING EDGE, A DEVICE INCLUDING TWO ADJACENT INSPECTION AREAS INTO WHICH THE TOOL IS INTRODUCED AND INCLUDING MEANS INDICATING THE RELATIVE AMOUNTS OF INTRUSION OF THE TOOL INTO THE TWO AREAS, AND APPARATUS RESPONSIVE TO THE INDICATING MEANS AND THE SUM AND DIFFERENCE OF THE INDICATED VALUES TO MOVE THE TOOL HOLDER ALONG ONE OF THE SAID LINES UNTIL THE INDICATED VALUES DIFFER BY A PREDETERMINED VALUE AND WHEN THE SUM OF THE INDICATED VALUES DIFFERS FROM A PREDETERMINED VALUE TO MOVE THE TOOL HOLDER ALONG THE OTHER OF THE SAID LINES UNTIL THE SUM IS EQUAL TO THE LAST-NAMED PREDETERMINED VALUE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-03 | 1968-11-02 | 1969-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-03 | 1972-11-02 | 1973-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-03 | 1976-11-02 | 1977-05-04 | $7700.00 | Window Closed / Lapsed |