Patent US3305280A successfully refreshed from Google Patents.
US3305280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination bearing
Assignee: Bunting Brass and Bronze Co
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Filing: 1964-02-13
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Granted: 1967-02-21
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Expires: 1984-02-13
Abstract
No abstract record available.
Inventors
- 👤 Reino A Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:22
CPC Classifications
F; F16; F16C; F16C21/00; F16C17/00; F16C17/02; F16C17/028; F16C19/00; F16C19/02; F16C19/04; F16C19/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A COMBINATION BEARING FOR ROTATABLY SUPPORTING A SHAFT, SAID BEARING COMPRISING WALL MEANS FORMING A SLEEVE BEARING BORE, TWO ROLLING ELEMENT BEARINGS AXIALLY SPACED ALONG SAID BORE, EACH OF SAID ROLLING ELEMENT BEARINGS COMPRISING A PLURALITY OF ROLLING ELEMENTS AROUND THE ENTIRE PERIPHERY OF SAID BORE AND MEANS FORMING A BEARING RACE FOR ROTATABLY SUPPORTING SAID ELEMENTS TO CONTACT AND ROTATABLY SUPPORT SAID SHAFT AROUND THE PERIPHERY THEREOF IN THE SAME POSITION IT WOULD OTHERWISE TEND TO ASSUME AT OPERATING SPEED AND LOAD WITHOUT SAID ROLLING ELEMENT BEARINGS.
Claim 2
Dependent Claim
88 words
A COMBINATION BEARING FOR ROTATABLY SUPPORTING A SHAFT, SAID BEARING COMPRISING WALL MEANS FORMING A SLEEVE BEARING BORE, TWO ROLLING ELEMENT BEARINGS AXIALLY SPACED ALONG SAID BORE, EACH OF SAID ROLLING ELEMENT BEARINGS COMPRISING A PLURALITY OF ROLLING ELEMENTS AROUND THE ENTIRE PERIPHERY OF SAID BORE AND MEANS FORMING A BEARING RACE FOR ROTATABLY SUPPORTING SAID ELEMENTS TO CONTACT AND ROTATABLY SUPPORT SAID SHAFT AROUND THE PERIPHERY THEREOF IN THE SAME POSITION IT WOULD OTHERWISE TEND TO ASSUME AT OPERATING SPEED AND LOAD WITHOUT SAID ROLLING ELEMENT BEARINGS.
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) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |