US2755368A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Welding method
Assignee: Motors Liquidation Co
•
Filing: 1953-11-27
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Granted: 1956-07-17
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Expires: 1973-11-27
Abstract
No abstract record available.
Inventors
- 👤 John R Wirt
- 👤 Karl P Shetterly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:58
CPC Classifications
H; H01; H01H; H01H11/00; H01H11/04; H01H11/041; H01H11/043; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49204; Y10T29/49208; Y10T29/4921; Y10T29/49211
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
A METHOD OF ELECTRICALLY WELDING ONE MEMBER TO ANOTHER MEMBER, THE STEPS COMPRISING; PROVIDING ONE OF SAID MEMBERS WITH A GENERALLY CYLINDRICAL SHANK, PROVIDING THE OTHER OF SAID MEMBERS WITH A DEPRESSION THEREIN HAVING A PROGRESSIVELY EVER-DECREASING DIAMETER, WHEREIN THE LARGEST DIAMETER IS GREATER THAN THE DIAMETER AT THE END OF SAID SHANK AND THE SMALLEST DIAMETER IS LESS THAN ANY DIAMETER ON SAID SHANK, ASSEMBLING THE TWO MEMBERS WITH THE SHANK PARTIALLY POSITIONED IN SAID DEPRESSION, APPLYING A WELDING CURRENT TO SAID TWO MEMBERS AND SIMULTANEOUSLY FORCING SAID SHANK INTO SAID DEPRESSION FOR SIMULTANEOUSLY ELECTRICALLY HEATING THE METAL ADJACENT THE DEPRESSION AND THE SHANK TO CAUSE A WELD AND SIMULTANEOUSLY CONFORM THE SHAPE OF THE SHANK TO THE SHAPE OF THE DEPRESSION.
Claim 2
Independent Claim
123 words
A METHOD OF ELECTRICALLY WELDING ONE MEMBER TO ANOTHER MEMBER, THE STEPS COMPRISING; PROVIDING ONE OF SAID MEMBERS WITH A GENERALLY CYLINDRICAL SHANK, PROVIDING THE OTHER OF SAID MEMBERS WITH A DEPRESSION THEREIN HAVING A PROGRESSIVELY EVER-DECREASING DIAMETER, WHEREIN THE LARGEST DIAMETER IS GREATER THAN THE DIAMETER AT THE END OF SAID SHANK AND THE SMALLEST DIAMETER IS LESS THAN ANY DIAMETER ON SAID SHANK, ASSEMBLING THE TWO MEMBERS WITH THE SHANK PARTIALLY POSITIONED IN SAID DEPRESSION, APPLYING A WELDING CURRENT TO SAID TWO MEMBERS AND SIMULTANEOUSLY FORCING SAID SHANK INTO SAID DEPRESSION FOR SIMULTANEOUSLY ELECTRICALLY HEATING THE METAL ADJACENT THE DEPRESSION AND THE SHANK TO CAUSE A WELD AND SIMULTANEOUSLY CONFORM THE SHAPE OF THE SHANK TO THE SHAPE OF THE DEPRESSION.
References Cited (Backward Citations)
US1858883A
Cited
US2086221A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-17 | 1960-01-16 | 1960-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-17 | 1964-01-16 | 1964-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-17 | 1968-01-16 | 1968-07-17 | $7700.00 | Window Closed / Lapsed |