US2977673A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming composite metal bearings
Assignee: Motors Liquidation Co
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Filing: 1955-09-22
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Granted: 1961-04-04
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Expires: 1975-09-22
Abstract
No abstract record available.
Inventors
- 👤 Eric W Weinman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:05
CPC Classifications
C; C23; C23C; C23C26/00; F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/12; F16C33/14; F16C33/145; F16C2204/00; F16C2204/10; F16C2204/30; F16C2204/34; F16C2220/00; F16C2220/20; F16C2220/28; F16C2223/00; F16C2223/30; F16C2223/70; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/934; Y10S428/935; Y10S428/937; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/12069; Y10T428/12076; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12903; Y10T428/1291; Y10T428/12917; Y10T428/12924
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
54 words
A COMPOSITE METAL BEARING COMPRISING A STEEL SUPPORTING MEMBER, ON SAID SUPPORTING A MEMBER A COMPARATIVELY THIN, ELECTRODEPOSITED LAMINAR COPPER-TIN BONDING LAYER WHICH HAS BEEN INTERDIFFUSED TO FORM A BRONZE LAYER AND ON SAID BRONZE LAYER AN OVERLAY OF A COPPER BASE POWDER JOINED TO SAID BACKING STRIP BY MEANS OF SAID BONDING LAYER.
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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) | 1964-04-03 | 1964-10-03 | 1965-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-03 | 1968-10-03 | 1969-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-03 | 1972-10-03 | 1973-04-04 | $7700.00 | Window Closed / Lapsed |