Patent US3309715A successfully refreshed from Google Patents.
US3309715A
Expired / Lapsed
US
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Safety knee assemblage with adjustable means for increasing or decreasing clearance between braking surfaces
Assignee: Otto Bock Orthopädische Industrie KG
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Filing: 1963-12-30
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Granted: 1967-03-21
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Expires: 1983-12-30
Abstract
No abstract record available.
Inventors
- 👤 Nader Hugo Otto Max
- 👤 Haupt Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:45
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/50; A61F2/60; A61F2/64; A61F2002/5003; A61F2002/5007; A61F2002/5016; A61F2002/5072; A61F2002/5073; A61F2/68; A61F2002/6818
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A SAFETY KNEE ASSEMBLAGE COMPRISING: (A) AN UPPER MEMBER; (B) A LOWER MEMBER; (C) A KNEE BOLT PIVOTALLY CONNECTING SAID MEMBERS TOGETHER TO FORM A KNEE JOINT; (D) A SWING BLOCK PIVOTALLY CONNECTED NEAR ONE END OF A LOWER PORTION OF SAID UPPER MEMBER, (E) RESILIENT MEANS CONNECTED NEAR THE OTHER END OF SAID SWING BLOCK AND TO SAID LOWER MEMBER FOR URGING SAID MEMBERS INTO A DESIRED PIVOTAL RELATIONSHIP WITH EACH OTHER; (F) SAID SWING BLOCK HAVING AN APERTURE EXTENDING THERETHROUGH RECEIVING SAID KNEE BOLT; (G) MEANS FOR BRAKING THE PIVOTAL MOVEMENT OF SAID MEMBERS WITH RESPECT TO EACH OTHER, AND (H) REGULATING MEANS CARRIED ON SAID SWING BLOCK AND EXTENDING DOWNWARDLY THROUGH SAID BLOCK FOR ENGAGING A PORTION OF SAID UPPER MEMBER FOR CONTROLLING THE ACTION OF SAID BRAKING MEANS.
Claim 2
Dependent Claim
132 words
A SAFETY KNEE ASSEMBLAGE COMPRISING: (A) AN UPPER MEMBER; (B) A LOWER MEMBER; (C) A KNEE BOLT PIVOTALLY CONNECTING SAID MEMBERS TOGETHER TO FORM A KNEE JOINT; (D) A SWING BLOCK PIVOTALLY CONNECTED NEAR ONE END OF A LOWER PORTION OF SAID UPPER MEMBER, (E) RESILIENT MEANS CONNECTED NEAR THE OTHER END OF SAID SWING BLOCK AND TO SAID LOWER MEMBER FOR URGING SAID MEMBERS INTO A DESIRED PIVOTAL RELATIONSHIP WITH EACH OTHER; (F) SAID SWING BLOCK HAVING AN APERTURE EXTENDING THERETHROUGH RECEIVING SAID KNEE BOLT; (G) MEANS FOR BRAKING THE PIVOTAL MOVEMENT OF SAID MEMBERS WITH RESPECT TO EACH OTHER, AND (H) REGULATING MEANS CARRIED ON SAID SWING BLOCK AND EXTENDING DOWNWARDLY THROUGH SAID BLOCK FOR ENGAGING A PORTION OF SAID UPPER MEMBER FOR CONTROLLING THE ACTION OF SAID BRAKING MEANS.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-20 | 1970-09-19 | 1971-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-20 | 1974-09-19 | 1975-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-20 | 1978-09-19 | 1979-03-21 | $7700.00 | Window Closed / Lapsed |