US3233258A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of knurled threaded elements
Assignee: Individual
•
Filing: 1963-06-06
•
Granted: 1966-02-08
•
Expires: 1983-06-06
Abstract
No abstract record available.
Inventors
- 👤 Neuschotz Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:12
CPC Classifications
F; F16; F16B; F16B37/00; F16B37/12; F16B37/122; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/965; Y10S411/968
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
196 words
THE METHOD OF FORMING A KNURLED THREADED ELEMENT THAT INCLUDES FORMING AN EXTERNAL THREAD ON A BODY, KNURLING A FIRST PORTION OF SAID THREAD INTERMEDIATE THE ENDS OF THE THREAD, TO FORM CIRCULARLY SPACED SERRATIONS ON SAID FIRST PORTION, WHILE LEAVING SECOND AND THIRD PORTIONS OF THE THREAD UNKNURLED AT OPOSITE AXIAL SIDES OF SAID FIRST PORTION, SPREADING THE MATERIAL OF SAID FIRST PORTION OF THE THREAD AXIALLY BY SAID KNURLING SO THAT SAID SERRATIONS ARE AXIALLY THICKER THAN THE INITIAL THREAD AND THAN SAID UNKNURLED SECOND AND THIRD PORTION OF THE THREAD, RELATIVELY MOVING SAID BODY AND A THREADING TOOL TO SCREW SAID TOOL ONTO SAID THIRD PORTION OF SAID THREAD, CONTINUING SAID RELATIVE MOVEMENT TO ADVANCE SAID TOOL ONTO SAID KNURLED FIRST PORTION OF THREAD, CUTTING AWAY THE AXIALLY SPREAD MATERIAL OF SAID SERRATIONS BY SAID THREADING TOOL TO A REDUCED AXIAL THICKNES CORRESPONDING APPROXIMATELY TO THE INITIAL THICKNESS OF THE THREAD, AND AT SOME TIME DURING THE METHOD FORMING A PASSAGE IN THE BODY HAVING A PORTION WITHIN SAID SERRATED FIRST PORTION OF THE THREAD, AND FORMING A SECOND THREAD ON THE BODY DIFFERENT THAN THE FIRST THREAD FOR ENGAGING A MATING PART.
Claim 2
Independent Claim
196 words
THE METHOD OF FORMING A KNURLED THREADED ELEMENT THAT INCLUDES FORMING AN EXTERNAL THREAD ON A BODY, KNURLING A FIRST PORTION OF SAID THREAD INTERMEDIATE THE ENDS OF THE THREAD, TO FORM CIRCULARLY SPACED SERRATIONS ON SAID FIRST PORTION, WHILE LEAVING SECOND AND THIRD PORTIONS OF THE THREAD UNKNURLED AT OPOSITE AXIAL SIDES OF SAID FIRST PORTION, SPREADING THE MATERIAL OF SAID FIRST PORTION OF THE THREAD AXIALLY BY SAID KNURLING SO THAT SAID SERRATIONS ARE AXIALLY THICKER THAN THE INITIAL THREAD AND THAN SAID UNKNURLED SECOND AND THIRD PORTION OF THE THREAD, RELATIVELY MOVING SAID BODY AND A THREADING TOOL TO SCREW SAID TOOL ONTO SAID THIRD PORTION OF SAID THREAD, CONTINUING SAID RELATIVE MOVEMENT TO ADVANCE SAID TOOL ONTO SAID KNURLED FIRST PORTION OF THREAD, CUTTING AWAY THE AXIALLY SPREAD MATERIAL OF SAID SERRATIONS BY SAID THREADING TOOL TO A REDUCED AXIAL THICKNES CORRESPONDING APPROXIMATELY TO THE INITIAL THICKNESS OF THE THREAD, AND AT SOME TIME DURING THE METHOD FORMING A PASSAGE IN THE BODY HAVING A PORTION WITHIN SAID SERRATED FIRST PORTION OF THE THREAD, AND FORMING A SECOND THREAD ON THE BODY DIFFERENT THAN THE FIRST THREAD FOR ENGAGING A MATING PART.
References Cited (Backward Citations)
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US3069960A
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Cited
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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) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |