Patent US4477168A successfully refreshed from Google Patents.
Patent US3274728A successfully refreshed from Google Patents.
US3274728A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Construction toy
Assignee: Individual
•
Filing: 1963-05-28
•
Granted: 1966-09-27
•
Expires: 1983-05-28
Abstract
No abstract record available.
Inventors
- 👤 Koch Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:01
CPC Classifications
A; A63; A63H; A63H33/00; A63H33/04; A63H33/10; A63H33/108; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32008
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
194 words
A CONSTRUCTION TOY COMPRISING, IN COMBINATION, AT LEAST A CONNECTOR ELEMENT AND A PLURALITY OF ROD ELEMENTS ADAPTED TO BE CONNECTED TO ONE ANOTHER BY SAID CONNECTOR ELEMENT, SAID CONNECTOR ELEMENT HAVING A CENTRAL SLEEVE OF RECTANGULAR CROSS SECTION AND TWO ADJACENT SLEEVES OF RECTANGULAR CROSS SECTION AND TWO ADJACENT SLEEVES OF AND FROM ONE ANOTHER AND A PAIR OF SUBSTANTIALLY RECTANGULAR PLATE-LIKE LINKS INTERCONNECTING SAID ADJACENT SLEEVES WITH SAID CENTRAL SLEEVE AT ONE END PORTION OF SAID SLEEVES, SAID PLATE-LIKE LINKS EACH CONNECTED ALONG ONE EDGE TO ONE SIDE OF SAID ADJACENT SLEEVES AND CONNECTED ALONG THE EDGE OPPOSITE TO SAID ONE EDGE TO SIDES OF SAID CENTRAL SLEEVE RESPECTIVELY THAT ARE DISPOSED PERPENDICULARLY TO ONE ANOTHER, SAID SLEEVES BEING FORMED WITH PASSAGES WHOSE AXES ARE SUBSTANTIALLY PARALLEL TO ONE ANOTHER, SAID ROD ELEMENTS BEING RECEIVED IN SAID PASSAGES IN FRICTIONFIT ENGAGEMENT WITH SAID SLEEVES, SAID PLATE-LIKE LINKS BEING DISPOSED IN A PLANE SUBSTANTIALLY PERPENDICULAR TO THE AXES OF SAID PASSAGES AND BEING FLEXIBLE ABOUT AN AXIS LYING SUBSTANTIALLY IN SAID PLANE, WHEREBY SAID ROD ELEMENTS MAY BE DISPOSED IN SELECTED ANGULAR POSITIONS WITH RESPECT TO EACH OTHER BY FLEXING SAID PLATE-LIKE LINKS.
Claim 2
Dependent Claim
194 words
A CONSTRUCTION TOY COMPRISING, IN COMBINATION, AT LEAST A CONNECTOR ELEMENT AND A PLURALITY OF ROD ELEMENTS ADAPTED TO BE CONNECTED TO ONE ANOTHER BY SAID CONNECTOR ELEMENT, SAID CONNECTOR ELEMENT HAVING A CENTRAL SLEEVE OF RECTANGULAR CROSS SECTION AND TWO ADJACENT SLEEVES OF RECTANGULAR CROSS SECTION AND TWO ADJACENT SLEEVES OF AND FROM ONE ANOTHER AND A PAIR OF SUBSTANTIALLY RECTANGULAR PLATE-LIKE LINKS INTERCONNECTING SAID ADJACENT SLEEVES WITH SAID CENTRAL SLEEVE AT ONE END PORTION OF SAID SLEEVES, SAID PLATE-LIKE LINKS EACH CONNECTED ALONG ONE EDGE TO ONE SIDE OF SAID ADJACENT SLEEVES AND CONNECTED ALONG THE EDGE OPPOSITE TO SAID ONE EDGE TO SIDES OF SAID CENTRAL SLEEVE RESPECTIVELY THAT ARE DISPOSED PERPENDICULARLY TO ONE ANOTHER, SAID SLEEVES BEING FORMED WITH PASSAGES WHOSE AXES ARE SUBSTANTIALLY PARALLEL TO ONE ANOTHER, SAID ROD ELEMENTS BEING RECEIVED IN SAID PASSAGES IN FRICTIONFIT ENGAGEMENT WITH SAID SLEEVES, SAID PLATE-LIKE LINKS BEING DISPOSED IN A PLANE SUBSTANTIALLY PERPENDICULAR TO THE AXES OF SAID PASSAGES AND BEING FLEXIBLE ABOUT AN AXIS LYING SUBSTANTIALLY IN SAID PLANE, WHEREBY SAID ROD ELEMENTS MAY BE DISPOSED IN SELECTED ANGULAR POSITIONS WITH RESPECT TO EACH OTHER BY FLEXING SAID PLATE-LIKE LINKS.
References Cited (Backward Citations)
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FR930893A
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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) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |