US3278720A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for welding metal members
Assignee: Reynolds Metals Co
•
Filing: 1964-02-12
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Granted: 1966-10-11
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Expires: 1984-02-12
Abstract
No abstract record available.
Inventors
- 👤 Dixon Charles Ralph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:25
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/23
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
APPARATUS FOR WELDING TWO ALUMINUM-CONTAINING METAL MEANS TOGETHER COMPRISING A CLEANING MEANS FOR PRODUCING AN ELECTRICAL ARC TO CLEAN A SUBSTANTIAL AMOUNT OF WELD POROSITY CREATING OXIDE MEANS FROM SURFACE MEANS OF SAID METAL MEANS, AND MEANS FOR WELDING SAID METAL MEANS TOGETHER WITH DEPOSITED MATERIAL AT SAID CLEANED SURFACE MEANS THEREOF, SAID DEPOSITED MATERIAL HAVING A CONTACTING AND SECURING SURFACE ENGAGING AND SECURING TO SAID SURFACE MEANS OF SAID METAL MEANS, SAID DEPOSITED MATERIAL HAVING THE MAJORITY OF ITS CONTACTING AND SECURING SURFACE ONLY AT SAID CLEANED SURFACE MEANS TO PREVENT POROSITY AT THE STRENGTH PORTION OF SAID DEPOSITED MATERIAL.
Claim 2
Dependent Claim
101 words
APPARATUS FOR WELDING TWO ALUMINUM-CONTAINING METAL MEANS TOGETHER COMPRISING A CLEANING MEANS FOR PRODUCING AN ELECTRICAL ARC TO CLEAN A SUBSTANTIAL AMOUNT OF WELD POROSITY CREATING OXIDE MEANS FROM SURFACE MEANS OF SAID METAL MEANS, AND MEANS FOR WELDING SAID METAL MEANS TOGETHER WITH DEPOSITED MATERIAL AT SAID CLEANED SURFACE MEANS THEREOF, SAID DEPOSITED MATERIAL HAVING A CONTACTING AND SECURING SURFACE ENGAGING AND SECURING TO SAID SURFACE MEANS OF SAID METAL MEANS, SAID DEPOSITED MATERIAL HAVING THE MAJORITY OF ITS CONTACTING AND SECURING SURFACE ONLY AT SAID CLEANED SURFACE MEANS TO PREVENT POROSITY AT THE STRENGTH PORTION OF SAID DEPOSITED MATERIAL.
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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) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |