Patent US3412733A successfully refreshed from Google Patents.
US3412733A
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Acetabulum reamer
Assignee: OEC Europe Ltd
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Filing: 1966-07-01
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Granted: 1968-11-26
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Expires: 1986-07-01
Abstract
No abstract record available.
Inventors
- 👤 Donald S Ross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:48
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/16; A61B17/1662; A61B17/1664; A61B17/1666; Y; Y10; Y10T; Y10T408/00; Y10T408/89; Y10T408/905
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
AN ACETABULUM REAMER COMPRISING A HEAD PORTION AND A DRIVE MEMBER, SAID HEAD PORTION REMOVABLY SECURED TO ONE END FACE OF SAID DRIVE MEMBER, SAID HEAD PORTION COMPRISING A PLURALITY OF CONCENTRICALLY DISPOSED DISCS EACH OF DIFFERENT DIAMETER, EACH OF SAID DISCS FORMED CIRCUMFERENTIALLY WITH A PLURALITY OF CUTTING TEETH, SAID DISCS STACKED IN FACE TO FACE RELATION TO FORM A HEAD PORTION SUBSTANTIALLY OF ARCUATE FOR, IN PROFILE AND MEANS FOR CLAMPING SAID STACK OF DISCS ON SAID END FACE OF SAID DRIVE MEMBER.
Claim 2
Dependent Claim
85 words
AN ACETABULUM REAMER COMPRISING A HEAD PORTION AND A DRIVE MEMBER, SAID HEAD PORTION REMOVABLY SECURED TO ONE END FACE OF SAID DRIVE MEMBER, SAID HEAD PORTION COMPRISING A PLURALITY OF CONCENTRICALLY DISPOSED DISCS EACH OF DIFFERENT DIAMETER, EACH OF SAID DISCS FORMED CIRCUMFERENTIALLY WITH A PLURALITY OF CUTTING TEETH, SAID DISCS STACKED IN FACE TO FACE RELATION TO FORM A HEAD PORTION SUBSTANTIALLY OF ARCUATE FOR, IN PROFILE AND MEANS FOR CLAMPING SAID STACK OF DISCS ON SAID END FACE OF SAID DRIVE MEMBER.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-26 | 1972-05-27 | 1972-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-26 | 1976-05-27 | 1976-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-26 | 1980-05-27 | 1980-11-26 | $7700.00 | Window Closed / Lapsed |