US3350773A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making bearings
Assignee: Federal Mogul Bower Bearings Inc
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Filing: 1963-09-11
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Granted: 1967-11-07
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Expires: 1983-09-11
Abstract
No abstract record available.
Inventors
- 👤 Jr Austin H Beebe
- 👤 Gallatin Victor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:36
CPC Classifications
B; B23; B23K; B23K20/00; B23K20/22; B23K20/227; B23K20/2275; F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/14; F16C2220/00; F16C2220/60; F16C2223/00; F16C2223/30; F16C2223/32; F16C2223/70; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/934; Y10S428/935; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49705; Y10T29/49709; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12736; Y10T428/1275; Y10T428/12771; Y10T428/12861; Y10T428/12937
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
THE METHOD OF FORMING A COMPOSITE ALUMINUM AND STEEL STRIP SUITABLE FOR THE MANUFACTURE OF BEARINGS WHICH COMPRISES THE STEPS OF DEPOSITING AN INTEGRAL COATING SELECTED FROM THE GROUP CONSISTING OF COBALT AND COBALT PHOSPHORUS ON THE FACE SURFACE OF THE STEEL STRIP IN A THICKNESS OF FROM ABOUT 0.000025 TO ABOUT 0.0005 INCH, PREHEATING SAID STEEL STRIP AND AN ALUMINUM STRIP TO BE BONDED TO SAID FACE SURFACE THEREOF IN A REDUCING ATMOSPHERE TO A TEMPERATURE BETWEEN ABOUT 800* F. UP TO ABOUT 950*F., AND THEREAFTER ROLL BONDING SAID ALUMINUM STRIP TO SAID STEEL STRIP BY PASSING THE STRIPS IN SUPERIMPOSED RELATIONSHIP THROUGH A PAIR OF ROLLS AND EFFECTING A REDUCTION OF AT LEAST 40% IN THE THICKNESS OF SAID ALUMINUM STRIP.
Claim 2
Independent Claim
123 words
THE METHOD OF FORMING A COMPOSITE ALUMINUM AND STEEL STRIP SUITABLE FOR THE MANUFACTURE OF BEARINGS WHICH COMPRISES THE STEPS OF DEPOSITING AN INTEGRAL COATING SELECTED FROM THE GROUP CONSISTING OF COBALT AND COBALT PHOSPHORUS ON THE FACE SURFACE OF THE STEEL STRIP IN A THICKNESS OF FROM ABOUT 0.000025 TO ABOUT 0.0005 INCH, PREHEATING SAID STEEL STRIP AND AN ALUMINUM STRIP TO BE BONDED TO SAID FACE SURFACE THEREOF IN A REDUCING ATMOSPHERE TO A TEMPERATURE BETWEEN ABOUT 800* F. UP TO ABOUT 950*F., AND THEREAFTER ROLL BONDING SAID ALUMINUM STRIP TO SAID STEEL STRIP BY PASSING THE STRIPS IN SUPERIMPOSED RELATIONSHIP THROUGH A PAIR OF ROLLS AND EFFECTING A REDUCTION OF AT LEAST 40% IN THE THICKNESS OF SAID ALUMINUM STRIP.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-06 | 1971-05-08 | 1971-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-06 | 1975-05-08 | 1975-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-06 | 1979-05-08 | 1979-11-07 | $7700.00 | Window Closed / Lapsed |