Patent FR799741A successfully refreshed from Google Patents.
Patent US3221970A successfully refreshed from Google Patents.
US3221970A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flux disc
Assignee: Individual
•
Filing: 1962-03-21
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Granted: 1965-12-07
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Expires: 1982-03-21
Abstract
No abstract record available.
Inventors
- 👤 Lockshin Louis Leon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:42
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/20; B23K9/207; B23K9/208; B23K35/00; B23K35/02; B23K35/0255; B23K35/0288
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
IN STUD WELDING FOR USE WITH THE STUD HAVING AN END ADAPTED TO BE WELDED WHICH END HAS A TERMINAL PROJECTION: A UNITARY ELEMENT OF FLUXING MATERIAL HAVING A HOLE THERETHROUGH ADAPTED TO SURROUND AT LEAST A PORTION OF THE CROSSSECTIONAL AREA OF SAID PROJECTION, SAID HOLE BEING DIMENSONED TO PERMIT THE PASSAGE OF THE EXTREMITY OF THE PROJECTION THERETHROUGH IN SPACED RELATIONSHIP AND ARMS FORMED INTEGRALLY WITH SAID UNITARY ELEMENT AND EXTENDING OUTWARDLY THEREFROM.
Claim 2
Dependent Claim
75 words
IN STUD WELDING FOR USE WITH THE STUD HAVING AN END ADAPTED TO BE WELDED WHICH END HAS A TERMINAL PROJECTION: A UNITARY ELEMENT OF FLUXING MATERIAL HAVING A HOLE THERETHROUGH ADAPTED TO SURROUND AT LEAST A PORTION OF THE CROSSSECTIONAL AREA OF SAID PROJECTION, SAID HOLE BEING DIMENSONED TO PERMIT THE PASSAGE OF THE EXTREMITY OF THE PROJECTION THERETHROUGH IN SPACED RELATIONSHIP AND ARMS FORMED INTEGRALLY WITH SAID UNITARY ELEMENT AND EXTENDING OUTWARDLY THEREFROM.
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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) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |