Patent US3296898A successfully refreshed from Google Patents.
US3296898A
Expired / Lapsed
US
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Retractable boring bar
Assignee: Motors Liquidation Co
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Filing: 1965-03-15
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Granted: 1967-01-10
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Expires: 1985-03-15
Abstract
No abstract record available.
Inventors
- 👤 Jr Don R Osborn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:48
CPC Classifications
B; B23; B23B; B23B29/00; B23B29/03; B23B29/034; B23B29/03432; B23B29/03457; B23Q; B23Q1/00; B23Q1/25; B23Q1/26; B23Q1/34; B23Q1/36; B23Q1/44; B23Q1/50; B23Q1/54; B23Q1/5406; B23Q1/545; B23Q1/5456; Y; Y10; Y10T; Y10T408/00; Y10T408/83; Y10T408/85; Y10T408/858; Y10T408/8583; Y10T408/85843; Y10T408/8588; Y10T408/85884
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A BORING DEVICE FOR A BORING MACHINE HAVING FORCE PRODUCING MEANS, SAID BORING DEVICE COMPRISING: A BODY INCLUDING A CIRCULAR BEARING HAVING AN ARCUATELY SHAPED INNER PERIPHERY AND BEING CARRIED FOR ROTATION BY THE BORING MACHINE AND ADAPTED FOR SLIDING MOVEMENT IN AND OUT OF ENGAGEMENT WITH AN ELEMENT TO BE BORED, THE ROTATION AND SLIDING MOVEMENT BEING IN RESPONSE TO FORCES FROM THE FORCE PRODUCING MEANS; SAID BODY INCLUDING ELASTOMERIC MEANS POSITIONED ADJACENT TO THE ARCUATELY
Claim 2
Dependent Claim
77 words
A BORING DEVICE FOR A BORING MACHINE HAVING FORCE PRODUCING MEANS, SAID BORING DEVICE COMPRISING: A BODY INCLUDING A CIRCULAR BEARING HAVING AN ARCUATELY SHAPED INNER PERIPHERY AND BEING CARRIED FOR ROTATION BY THE BORING MACHINE AND ADAPTED FOR SLIDING MOVEMENT IN AND OUT OF ENGAGEMENT WITH AN ELEMENT TO BE BORED, THE ROTATION AND SLIDING MOVEMENT BEING IN RESPONSE TO FORCES FROM THE FORCE PRODUCING MEANS; SAID BODY INCLUDING ELASTOMERIC MEANS POSITIONED ADJACENT TO THE ARCUATELY
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) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |