US3103988A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scaffold horse
Assignee: Individual
•
Filing: 1962-05-03
•
Granted: 1963-09-17
•
Expires: 1982-05-03
Abstract
No abstract record available.
Inventors
- 👤 Eugene W Knuth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:36
CPC Classifications
B; B25; B25H; B25H1/00; B25H1/06; E; E04; E04G; E04G1/00; E04G1/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
199 words
A CARPENTER''S HORSE COMPRISING AN ELONGATED BAR MEMBER HAVING SIDE EDGES AND A WORK SUPPORTING SURFACE, EACH OF THE SIDE EDGES OF SAID ELONGATED BAR MEMBER BEING PROVIDED WITH A GROOVE EXTENDING ALONG THE LENGTH THEREOF, AT LEAST ONE PAIR OF LEGS SUPPORTING SAID ELONGATED BAR MEMBER, EACH LEG OF SAID PAIR OF LEGS HAVING ONE END EDGE THEREOF TRANSVERSELY SHAPED TO BE SLIDABLY RECEIVED IN A GROOVE IN SAID ELONGATED BAR MEMBER, A PAIR OF CROSSED BAILS EACH BAIL COMPRISING A CLOSED FIGURE HAVING SIDES AND ENDS, ONE END OF EACH BAIL BEING PIVOTALLY CONNECTED TO ONE LEG AND ADAPTED TO FRICTIONALLY EMBRACE AND ENGAGE THE OUTER SURFACE OF THE OPPOSITE LEG OF SAID PAIR AT A POINT REMOTE FROM THE PIVOTED END OF THE OTHER BAIL ON SAID OPPOSITE LEG, AND A RELATIVELY MOVABLE STRUT ENGAGING THE INNER SURFACE OF SAID PAIR OF LEGS BETWEEN THE ENDS OF SAID PAIRS OF CROSSED BAILS REMOTE FROM THE UPPER END OF THE LEGS FOR FORCING SAID LEGS APART AGAINST THE REACTION OF SAID PAIR OF BAILS AND URGING THE SAID ONE END EDGE OF EACH LEG INTO POSITIVE FRICTIONAL ENGAGEMENT WITH THE GROOVED EDGES OF SAID ELONGATED SUPPORTING MEMBER.
Claim 2
Dependent Claim
199 words
A CARPENTER''S HORSE COMPRISING AN ELONGATED BAR MEMBER HAVING SIDE EDGES AND A WORK SUPPORTING SURFACE, EACH OF THE SIDE EDGES OF SAID ELONGATED BAR MEMBER BEING PROVIDED WITH A GROOVE EXTENDING ALONG THE LENGTH THEREOF, AT LEAST ONE PAIR OF LEGS SUPPORTING SAID ELONGATED BAR MEMBER, EACH LEG OF SAID PAIR OF LEGS HAVING ONE END EDGE THEREOF TRANSVERSELY SHAPED TO BE SLIDABLY RECEIVED IN A GROOVE IN SAID ELONGATED BAR MEMBER, A PAIR OF CROSSED BAILS EACH BAIL COMPRISING A CLOSED FIGURE HAVING SIDES AND ENDS, ONE END OF EACH BAIL BEING PIVOTALLY CONNECTED TO ONE LEG AND ADAPTED TO FRICTIONALLY EMBRACE AND ENGAGE THE OUTER SURFACE OF THE OPPOSITE LEG OF SAID PAIR AT A POINT REMOTE FROM THE PIVOTED END OF THE OTHER BAIL ON SAID OPPOSITE LEG, AND A RELATIVELY MOVABLE STRUT ENGAGING THE INNER SURFACE OF SAID PAIR OF LEGS BETWEEN THE ENDS OF SAID PAIRS OF CROSSED BAILS REMOTE FROM THE UPPER END OF THE LEGS FOR FORCING SAID LEGS APART AGAINST THE REACTION OF SAID PAIR OF BAILS AND URGING THE SAID ONE END EDGE OF EACH LEG INTO POSITIVE FRICTIONAL ENGAGEMENT WITH THE GROOVED EDGES OF SAID ELONGATED SUPPORTING MEMBER.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-16 | 1967-03-18 | 1967-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-16 | 1971-03-18 | 1971-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-16 | 1975-03-18 | 1975-09-17 | $7700.00 | Window Closed / Lapsed |