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US3120767A Expired / Lapsed US ⏱️ 0.0 years remaining

Guiding device for borer

Assignee: Gebrueder Heller GmbH
•
Filing: 1962-03-19
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Granted: 1964-02-11
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Expires: 1982-03-19
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Abstract

No abstract record available.

Inventors

  • 👤 Kleine Werner Kurt Max

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 13:03
CPC Classifications
B; B23; B23B; B23B49/00; B23B49/02; Y; Y10; Y10T; Y10T408/00; Y10T408/55; Y10T408/567; Y10T82/00; Y10T82/25; Y10T82/2572

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 113 words
A GUIDING DEVICE FOR A BORER COMPRISING A CYLINDRICAL MEMBER ADAPTED TO SURROUND SAID BORER, AT LEAST THREE GUIDE RODS SPACED FROM EACH OTHER AND MOUNTED WITHIN AND SUPPORTED BY SAID MEMBER AND ENGAGING AND GUIDING SAID BORER AT DIFFERENT POINTS OF THE PERIPHERY THEREOF AND EXTENDING PARALLEL TO THE DIRECTION OF THE FEED OF SAID BORER ALONG AREAS OF AT LEAST LINES OF CONTACT BETWEEN SAID GUIDE RODS AND SAID BORER AND SAID GUIDE RODS BEING NONROTATABLE RELATIVE TO SAID BORER, AND MEANS FOR ADJUSTING EACH OF SAID GUIDE RODS INDEPENDENTLY FROM THE ADJUSTMENT OF THE OTHER OF SAID GUIDE RODS WITHIN SAID MEMBER IN A RADIAL DIRECTION RELATIVE TO SAID BORER.
Claim 2
Dependent Claim 113 words
A GUIDING DEVICE FOR A BORER COMPRISING A CYLINDRICAL MEMBER ADAPTED TO SURROUND SAID BORER, AT LEAST THREE GUIDE RODS SPACED FROM EACH OTHER AND MOUNTED WITHIN AND SUPPORTED BY SAID MEMBER AND ENGAGING AND GUIDING SAID BORER AT DIFFERENT POINTS OF THE PERIPHERY THEREOF AND EXTENDING PARALLEL TO THE DIRECTION OF THE FEED OF SAID BORER ALONG AREAS OF AT LEAST LINES OF CONTACT BETWEEN SAID GUIDE RODS AND SAID BORER AND SAID GUIDE RODS BEING NONROTATABLE RELATIVE TO SAID BORER, AND MEANS FOR ADJUSTING EACH OF SAID GUIDE RODS INDEPENDENTLY FROM THE ADJUSTMENT OF THE OTHER OF SAID GUIDE RODS WITHIN SAID MEMBER IN A RADIAL DIRECTION RELATIVE TO SAID BORER.

References Cited (Backward Citations)

FR1098870A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-02-10 1967-08-12 1968-02-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-02-10 1971-08-12 1972-02-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-02-10 1975-08-12 1976-02-11 $7700.00 Window Closed / Lapsed

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