US3206888A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Deflectable beam for forming curved structures
Assignee: Individual
•
Filing: 1962-11-15
•
Granted: 1965-09-21
•
Expires: 1982-11-15
Abstract
No abstract record available.
Inventors
- 👤 Litzka Franz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:30
CPC Classifications
E; E04; E04C; E04C3/00; E04C3/02; E04C3/04; E04C3/08; E04C3/083; E04C3/086; A; A63; A63H; A63H33/00; A63H33/04; A63H33/06; A63H33/08; A63H33/10; A63H33/102; A63H33/105
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
A STRUCTURAL UNIT FOR A TOY CONSTRUCTION SET, COMPRISING A FLEXIBLE PROFILED HALF-GIRDER HAVING A GENERALLY FLAT LONGITUDINALLY EXTENDING FLANGE, AND A CONTINUOUS SUBSTANTIALLY PLANAR WEB HAVING A FREE EDGE OF UNDULATING CONFIGURATION, SAID WEB BEING PERPENDICULAR TO AND INTEGRAL WITH SAID FLANGE, SAID HALF-GIRDER BEING ARCUATELY DEFECTABLE IN THE PLANE OF THE WEB, SAID HALF-GIRDER BEING PROVIDED WITH AT LEAST TWO LONGITUDINALLY SPACED FORMATINS INTEGRAL THEREWITH IN THE REGION OF SAID WEB; AND TENSIONING MEANS LESS STRETCHABLE THAN SAID HALF-GIRDER AND SHORTER THAN THE DISTANCE BETWEEN SAID FORMATIONS WHEN THE HALFGIRDER IS UNDEFLECTED, SAID TENSIONING MEANS BEING POSITIONABLE SUBSTANTIALLY IN THE PLANE OF SAID WEB FOR INTERCONNECTING SAID FORMATIONS AND SPANNING THE ARC OF SAID HALF-GIRDER AT LEAST BETWEEN SAID FORMATIONS TO RETAIN SAID HALF-GIRDER IN AN ARCUATE CONDITION.
Claim 2
Dependent Claim
130 words
A STRUCTURAL UNIT FOR A TOY CONSTRUCTION SET, COMPRISING A FLEXIBLE PROFILED HALF-GIRDER HAVING A GENERALLY FLAT LONGITUDINALLY EXTENDING FLANGE, AND A CONTINUOUS SUBSTANTIALLY PLANAR WEB HAVING A FREE EDGE OF UNDULATING CONFIGURATION, SAID WEB BEING PERPENDICULAR TO AND INTEGRAL WITH SAID FLANGE, SAID HALF-GIRDER BEING ARCUATELY DEFECTABLE IN THE PLANE OF THE WEB, SAID HALF-GIRDER BEING PROVIDED WITH AT LEAST TWO LONGITUDINALLY SPACED FORMATINS INTEGRAL THEREWITH IN THE REGION OF SAID WEB; AND TENSIONING MEANS LESS STRETCHABLE THAN SAID HALF-GIRDER AND SHORTER THAN THE DISTANCE BETWEEN SAID FORMATIONS WHEN THE HALFGIRDER IS UNDEFLECTED, SAID TENSIONING MEANS BEING POSITIONABLE SUBSTANTIALLY IN THE PLANE OF SAID WEB FOR INTERCONNECTING SAID FORMATIONS AND SPANNING THE ARC OF SAID HALF-GIRDER AT LEAST BETWEEN SAID FORMATIONS TO RETAIN SAID HALF-GIRDER IN AN ARCUATE CONDITION.
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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) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |