Patent US5488554A successfully refreshed from Google Patents.
Patent US3206830A successfully refreshed from Google Patents.
US3206830A
Expired / Lapsed
US
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Method for making sleeve bearings
Assignee: Federal Mogul Bower Bearings Inc
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Filing: 1962-07-20
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Granted: 1965-09-21
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Expires: 1982-07-20
Abstract
No abstract record available.
Inventors
- 👤 Kermit M Hart
- 👤 Edward A Idzkowski
- 👤 John L Petro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:57
CPC Classifications
B; B21; B21K; B21K27/00; B21K27/02; B21K27/04; B21K1/00; B21K1/06; B21K27/06; F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/14; F16C41/00; F16C41/008; F16C2220/00; F16C2220/60; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49643; Y10T29/49647; Y10T29/49668; Y10T29/49671; Y10T29/49673; Y10T29/49789; Y10T29/49798
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
THE METHOD OF MAKING SUBSTANTIALLY SEMICIRCULARLY SHAPED SLEEVE BEARING BLANKS HAVING A PRESELECTED FINAL WIDTH FROM A LONGITUDINALLY EXTENDING STRIP OF MATERIAL COMPRISING THE STEPS OF FORMING GROOVES IN THE STRIP AT PRESELECTED INTERVALS, CUTTING THE STRIP ALONG THE GROOVES TO FORM FREE BLANKS HAVING THE PRESELECTED FINAL WIDTH, FORMING TH FREE BLANKS INTO SUBSTANTIALLY SEMICIRCULARLY SHAPED SLEEVE BEARING BLANKS LOCATING THE SEMICIRCULARLY SHAPED BLANKS ALONG ONE EDGE OF ITS WIDTH AND FORMING A LOCATING LIP AT ONE END, AND MACHINING THE INSIDE DIAMETER OF THE SEMICIRCULARLY SHAPED BLANK TO A HIGH FINISH.
Claim 2
Independent Claim
93 words
THE METHOD OF MAKING SUBSTANTIALLY SEMICIRCULARLY SHAPED SLEEVE BEARING BLANKS HAVING A PRESELECTED FINAL WIDTH FROM A LONGITUDINALLY EXTENDING STRIP OF MATERIAL COMPRISING THE STEPS OF FORMING GROOVES IN THE STRIP AT PRESELECTED INTERVALS, CUTTING THE STRIP ALONG THE GROOVES TO FORM FREE BLANKS HAVING THE PRESELECTED FINAL WIDTH, FORMING TH FREE BLANKS INTO SUBSTANTIALLY SEMICIRCULARLY SHAPED SLEEVE BEARING BLANKS LOCATING THE SEMICIRCULARLY SHAPED BLANKS ALONG ONE EDGE OF ITS WIDTH AND FORMING A LOCATING LIP AT ONE END, AND MACHINING THE INSIDE DIAMETER OF THE SEMICIRCULARLY SHAPED BLANK TO A HIGH FINISH.
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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) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |