Patent US3220092A successfully refreshed from Google Patents.
US3220092A
Expired / Lapsed
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Method and apparatus for manufacturing composite bearings
Assignee: POWDER METAL PRODUCTS Inc
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Filing: 1963-12-09
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Granted: 1965-11-30
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Expires: 1983-12-09
Abstract
No abstract record available.
Inventors
- 👤 Arnold G Wolfe
- 👤 Alcuin C Dornisch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:03
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/14; F16C43/00; F16C43/02; F16C2220/00; F16C2220/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A METHOD OF MAKING A COMPOSITE POWDERED METAL LINER TYPE BEARING COMPRISING THE STEPS OF DEPOSITING A FIRST POWDERED METAL SUBSDTANCE INTO A HOLLOW ELONGATED ENCLOSURE OF UNIFORM CROSS SECTION, DEPOSITING A SECOND POWDERED METAL SUBSTANCE INTO A SECOND HOLLOW ELON- , GATED ENCLOSURE OF UNIFORM CROSS SECTION POSITIONED WITHIN SAID FIRST ENCLOSURE, WITHDRAWING THE INNER WALL OF THE FIRST ENCLOSURE AND THE OUTER WALL OF THE SECOND ENCLOSURE FROM SAID POWDERED METAL SUBSTANCES AND THEREAFTER COMPRESSING SAID POWDERED METAL SUBSTANCES WITHIN SAID ENCLOSURE TO FORM AN INTEGRAL COMPRESSED PRODUCT.
Claim 2
Independent Claim
90 words
A METHOD OF MAKING A COMPOSITE POWDERED METAL LINER TYPE BEARING COMPRISING THE STEPS OF DEPOSITING A FIRST POWDERED METAL SUBSDTANCE INTO A HOLLOW ELONGATED ENCLOSURE OF UNIFORM CROSS SECTION, DEPOSITING A SECOND POWDERED METAL SUBSTANCE INTO A SECOND HOLLOW ELON- , GATED ENCLOSURE OF UNIFORM CROSS SECTION POSITIONED WITHIN SAID FIRST ENCLOSURE, WITHDRAWING THE INNER WALL OF THE FIRST ENCLOSURE AND THE OUTER WALL OF THE SECOND ENCLOSURE FROM SAID POWDERED METAL SUBSTANCES AND THEREAFTER COMPRESSING SAID POWDERED METAL SUBSTANCES WITHIN SAID ENCLOSURE TO FORM AN INTEGRAL COMPRESSED PRODUCT.
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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) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |