Patent FR1069872A successfully refreshed from Google Patents.
Patent US3253115A successfully refreshed from Google Patents.
US3253115A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Welding stud
Assignee: Individual
•
Filing: 1964-11-13
•
Granted: 1966-05-24
•
Expires: 1984-11-13
Abstract
No abstract record available.
Inventors
- 👤 Lewis J Logan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:46
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/02; B23K35/0255; B23K35/0288; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5191
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
246 words
A WELDING STUD INCLUDING IN COMBINATION A CYLINDRICAL METAL MEMBER HAVING FIRST AND SECOND END PORTIONS, ONE OF SAID END PORTIONS COMPRISING A CENTRAL POST MEMBER INTEGRAL WITH SAID CYLINDRICAL METAL MEMBER AND EXTENDING AXIALLY OUTWARDLY A GIVEN DISTANCE FROM THE END OF SAID CYLINDRICAL METAL CHAMBER, THE OUTER PERIPHERAL EDGE OF SAID CYLINDRICAL METAL MEMBER OUTWARDLY OF SAID CENTRAL POST BEING BEVELED AT A SUBSTANTIALLY 45 DEGREE ANGLE, A FLAT, SOLID, CYLINDRICAL, WELDING FLUX MEMBER FLATLY ENGAGING THE AXIAL END OF SAID CYLINDRICAL METAL MEMBER AND HAVING A CENTRAL CIRCULAR OPENING FITTING AROUND AND WEDGINGLY ENGAGING SAID CENTRAL POST, SAID CENTRAL CIRCULAR OPENING BEING SLIGHTLY SMALLER THAN THE DIAMETER OF SAID CENTRAL POST, SAID WELDING FLUX MEMBER HAVING A RANGE OF THICKNESS OF FROM .010 INCH TO .032 INCH FOR STUD SIZES IN THE RANGE OF FROM 5/16 INCH TO 7/8 INCH, THE LOWER ENDS OF SAID STUD SIZE RANGE AND SAID FLUX THICKNESS RANGE BEING CLOSELY RELATED AND BOTH RANGES RELATEDLY PROGRESSING TOWARD THE UPPER ENDS OF SAID RANGES, SAID CENTRAL POST OUTWARDLY OF SAID WELDING FLUX MEMBER COMPRISING SURFACE MEANS WHICH DEFINE AT LEAST A PORTION OF THE SURFACE OF A CONE, THE LARGER DIAMETER OF WHICH IS LOCATED ADJACENT SAID SOLID FLUX MEMBER AND WHICH IS LARGER THAN SAID CIRCULAR OPENING IN SAID SOLID FLUX MEMBER, SAID SURFACE MEANS TERMINATING IN A TIP WITH A SUBSTANTIALLY FLAT END AND HAVING A DIAMETER SMALLER THAN SAID CIRCULAR OPENING IN SAID SOLID FLUX MEMBER.
Claim 2
Dependent Claim
246 words
A WELDING STUD INCLUDING IN COMBINATION A CYLINDRICAL METAL MEMBER HAVING FIRST AND SECOND END PORTIONS, ONE OF SAID END PORTIONS COMPRISING A CENTRAL POST MEMBER INTEGRAL WITH SAID CYLINDRICAL METAL MEMBER AND EXTENDING AXIALLY OUTWARDLY A GIVEN DISTANCE FROM THE END OF SAID CYLINDRICAL METAL CHAMBER, THE OUTER PERIPHERAL EDGE OF SAID CYLINDRICAL METAL MEMBER OUTWARDLY OF SAID CENTRAL POST BEING BEVELED AT A SUBSTANTIALLY 45 DEGREE ANGLE, A FLAT, SOLID, CYLINDRICAL, WELDING FLUX MEMBER FLATLY ENGAGING THE AXIAL END OF SAID CYLINDRICAL METAL MEMBER AND HAVING A CENTRAL CIRCULAR OPENING FITTING AROUND AND WEDGINGLY ENGAGING SAID CENTRAL POST, SAID CENTRAL CIRCULAR OPENING BEING SLIGHTLY SMALLER THAN THE DIAMETER OF SAID CENTRAL POST, SAID WELDING FLUX MEMBER HAVING A RANGE OF THICKNESS OF FROM .010 INCH TO .032 INCH FOR STUD SIZES IN THE RANGE OF FROM 5/16 INCH TO 7/8 INCH, THE LOWER ENDS OF SAID STUD SIZE RANGE AND SAID FLUX THICKNESS RANGE BEING CLOSELY RELATED AND BOTH RANGES RELATEDLY PROGRESSING TOWARD THE UPPER ENDS OF SAID RANGES, SAID CENTRAL POST OUTWARDLY OF SAID WELDING FLUX MEMBER COMPRISING SURFACE MEANS WHICH DEFINE AT LEAST A PORTION OF THE SURFACE OF A CONE, THE LARGER DIAMETER OF WHICH IS LOCATED ADJACENT SAID SOLID FLUX MEMBER AND WHICH IS LARGER THAN SAID CIRCULAR OPENING IN SAID SOLID FLUX MEMBER, SAID SURFACE MEANS TERMINATING IN A TIP WITH A SUBSTANTIALLY FLAT END AND HAVING A DIAMETER SMALLER THAN SAID CIRCULAR OPENING IN SAID SOLID FLUX MEMBER.
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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) | 1969-05-23 | 1969-11-22 | 1970-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-23 | 1973-11-22 | 1974-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-23 | 1977-11-22 | 1978-05-24 | $7700.00 | Window Closed / Lapsed |