US3150733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Walking mechanisms for moving heavy loads
Assignee: Eisenwerk Weserhuette AG
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Filing: 1961-03-17
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Granted: 1964-09-29
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Expires: 1981-03-17
Abstract
No abstract record available.
Inventors
- 👤 Goebel Ernst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:16
CPC Classifications
E; E02; E02F; E02F9/00; E02F9/02; E02F9/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A WALKING MECHANISM FOR MOVING HEAVY LOADS COMPRISING A LOAD MEMBER AND AT LEAST THREE LEGS, EACH OF SAID THREE LEGS COMPRISING A FOOT-PLATE AND A SET OF TWO EXTENSIBLE MEMBERS ONLY ATTACHED TO THE ASSOCIATED FOOT-PLATE BY A COMMON UNIVERSAL JOINT MECHANISM AND TO SAID LOAD MEMBER BY SEPARATE UNIVERSAL JOINT MECHANISMS DISPOSED AT SPACED LOCATIONS IN THE SAME PLANE, SAID LOCATIONS BEING SELECTED TO BE SUCH THAT THE LINES JOINING POINTS OF INTERSECTION OF EACH SET OF MEMBERS WITH SAID PLANE, WHEN EXTENDED, FORM A TRIANGLE.
Claim 2
Dependent Claim
88 words
A WALKING MECHANISM FOR MOVING HEAVY LOADS COMPRISING A LOAD MEMBER AND AT LEAST THREE LEGS, EACH OF SAID THREE LEGS COMPRISING A FOOT-PLATE AND A SET OF TWO EXTENSIBLE MEMBERS ONLY ATTACHED TO THE ASSOCIATED FOOT-PLATE BY A COMMON UNIVERSAL JOINT MECHANISM AND TO SAID LOAD MEMBER BY SEPARATE UNIVERSAL JOINT MECHANISMS DISPOSED AT SPACED LOCATIONS IN THE SAME PLANE, SAID LOCATIONS BEING SELECTED TO BE SUCH THAT THE LINES JOINING POINTS OF INTERSECTION OF EACH SET OF MEMBERS WITH SAID PLANE, WHEN EXTENDED, FORM A TRIANGLE.
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) | 1967-09-29 | 1968-03-30 | 1968-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-29 | 1972-03-30 | 1972-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-29 | 1976-03-30 | 1976-09-29 | $7700.00 | Window Closed / Lapsed |