US3063133A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making low friction greaseless bearings
Assignee: Kahr Bearing Corp
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Filing: 1960-03-18
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Granted: 1962-11-13
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Expires: 1980-03-18
Abstract
No abstract record available.
Inventors
- 👤 Frederick A Straub
- 👤 Sahagian Edward
- 👤 Karl R M Karlstrom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:28
CPC Classifications
F; F16; F16C; F16C23/00; F16C23/02; F16C23/04; F16C23/043; F16C23/045; F16C33/00; F16C33/02; F16C33/04; F16C33/20; F16C33/208; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49643; Y10T29/49647; Y10T29/49648; Y10T29/49655; Y10T29/49826; Y10T29/4984; Y10T29/49845; Y10T29/49853
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
THE METHOD OF FORMING A LOW FRICTION GREASELESS BEARING WHICH INCLUDES THE STEPS OF: INSERTING AN EXPANSION PIN INTO THE BORE OF A BALL MEMBER TO EXPAND IT WITHIN ITS ELASTIC LIMIT; PLACING A THIN AND COMPLIANT SHEET OF TEFLON FABRIC HAVING AN ADHESIVE BACKING OF A PHENOLIC
Claim 2
Independent Claim
48 words
THE METHOD OF FORMING A LOW FRICTION GREASELESS BEARING WHICH INCLUDES THE STEPS OF: INSERTING AN EXPANSION PIN INTO THE BORE OF A BALL MEMBER TO EXPAND IT WITHIN ITS ELASTIC LIMIT; PLACING A THIN AND COMPLIANT SHEET OF TEFLON FABRIC HAVING AN ADHESIVE BACKING OF A PHENOLIC
References Cited (Backward Citations)
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US2835521A
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US2885248A
Cited
US2932081A
Cited
US2904874A
Cited
US2958927A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-12 | 1966-05-14 | 1966-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-12 | 1970-05-14 | 1970-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-12 | 1974-05-14 | 1974-11-13 | $7700.00 | Window Closed / Lapsed |