Patent US3129502A successfully refreshed from Google Patents.
US3129502A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for joining metallic parts
Assignee: Old Carco LLC
•
Filing: 1954-04-21
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Granted: 1964-04-21
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Expires: 1974-04-21
Abstract
No abstract record available.
Inventors
- 👤 John H Olson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:44
CPC Classifications
F; F28; F28D; F28D19/00; F28D19/04; F28D19/041; F28D19/042; B; B23; B23K; B23K1/00; B23K1/0008; B23K1/0014; B23K35/00; B23K35/001; B23K35/22; B23K35/24; B23K35/30; B23K35/3033; Y; Y10; Y10S; Y10S165/00; Y10S165/907; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49879
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
152 words
A PROCESS FOR JOINING METALLIC PARTS BY A METALLIC BOND COMPRISING BRINGING SAID PARTS INTO JOINT FORMING RELATIONSHIP WHEREBY AN ELONGATED RECESS IS FORMED BETWEEN SAID PARTS HAVING ITS APEX IN SAID JOINT, ELECTROLESS METAL PLATING SAID PARTS CONTIGUOUS SAID JOINT IN THE PRESENCE OF A CATALYSTIC METAL COMPRISING SAID PARTS BY CATALYTIC CHEMICAL REDUCTION FROM AN AQUEOUS SOLUTION CONTAINING AS ESSENTIAL ACTIVE INGREDIENTS A NICKEL SALT AND A HYPOPHOSPHITE WHILE MAINTAINING SAID PARTS IN SAID RELATIONSHIP AND IN CONTACT WITH SAID SOLUTION WHEREBY TO SUBSTANTIALLY PLATE AND BOND SAID PARTS BY THE METAL OF SAID PLATING, SAID PLATE FORMING A SUBSTANTIALLY UNIFORM AND CONTINUOUS DEPOSIT EXTENDING OVER THE APEX FORMING SURFACES OF SAID PARTS IN SAID RECESS AND FORMING A SUBSTANTIALLY FILLET-LIKE DEPOSIT IN THE APEX OF SAID RECESS, SAID PLATE METAL BOND CONSISTING ESSENTIALLY OF A NICKEL PHOSPHOROUS ALLOY AND SAID PLATE HAVING A THICKNESS OF AT LEAST ABOUT 0.0003"
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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) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |