Patent US3802148A successfully refreshed from Google Patents.
US3802148A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Construction set for the production of strutting arrangements
Assignee: Individual
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Filing: 1971-04-26
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Granted: 1974-04-09
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Expires: 1991-04-26
Abstract
Abstract Construction set for the production of strutting arrangements with preferably skeleton like character and suitable for the production of supports, supporting constructions, frame constructions, connecting arrangements, scaffoldings, reinforcing arrangements, suspension arrangements and similar things, characterized in that it consists of individual elements connected with one another by plug connection without a bore.
Inventors
- 👤 R Heidrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:47
CPC Classifications
E; E04; E04F; E04F11/00; E04F11/18; E04F11/181; E04F11/1812
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
295 words
A construction set, comprising: a plurality of base elements, each of said elements being provided with an upper portion having guide ribs and an intermediate plate; a plurality of bars spaced apart from each other, each of said bars being hollow, the bottoms of said bars being fitted over said upper portions of said base elements such that the bottom ends of said bars abut said plates of said base element; a plurality of closing elements, each of said closing elements being provided with a lower portion having guide ribs and an upper plate, the tops of said bars being fitted over said lower portions of said closing elements such that the top ends of said bars abut said plates of said closing elements, said plates being provided with openings; a hand rail, said hand rail being provided with a plurality of slots along the bottom thereof, at least one fastening assembly slidingly mounted within one of said slots and passing through one of said openings within one of said plates of said closing elements; a plurality of strips running transversely of said bars, each of said strips being generally C-shaped in cross section and comprising a back portion abutting said bars, arms extending outwardly from said back portion, said arms terminating in inwardly directed flanges, means connecting said strips to said bars, at least one supporting plate positioned within each of said strips, said supporting Plate having end portions positioned within the enclosed areas defined by said back portion, arms and flanges of said strips permitting said plate to slide within said srip; and a plurality of facing plates aligned with said strips and means connecting said facing plates to said supporting plates comprising screws passing through said facing plates into said supporting plates.
Claim 2
Dependent Claim
295 words
A construction set, comprising: a plurality of base elements, each of said elements being provided with an upper portion having guide ribs and an intermediate plate; a plurality of bars spaced apart from each other, each of said bars being hollow, the bottoms of said bars being fitted over said upper portions of said base elements such that the bottom ends of said bars abut said plates of said base element; a plurality of closing elements, each of said closing elements being provided with a lower portion having guide ribs and an upper plate, the tops of said bars being fitted over said lower portions of said closing elements such that the top ends of said bars abut said plates of said closing elements, said plates being provided with openings; a hand rail, said hand rail being provided with a plurality of slots along the bottom thereof, at least one fastening assembly slidingly mounted within one of said slots and passing through one of said openings within one of said plates of said closing elements; a plurality of strips running transversely of said bars, each of said strips being generally C-shaped in cross section and comprising a back portion abutting said bars, arms extending outwardly from said back portion, said arms terminating in inwardly directed flanges, means connecting said strips to said bars, at least one supporting plate positioned within each of said strips, said supporting Plate having end portions positioned within the enclosed areas defined by said back portion, arms and flanges of said strips permitting said plate to slide within said srip; and a plurality of facing plates aligned with said strips and means connecting said facing plates to said supporting plates comprising screws passing through said facing plates into said supporting plates.
Claim 3
Dependent Claim
36 words
A construction set as in claim 1, wherein said base elements further include a lower portion located below said intermediate plate, said lower portion positioned below a walking surface such that said intermediate plate abuts same.
Claim 4
Dependent Claim
16 words
A construction set as in claim 1, wherein each of said bars is octagonal in cross-section.
Claim 5
Dependent Claim
56 words
A construction set as in claim 1, including at least one curved hand rail section provided at each end thereof with a plurality of fingers complimentary in configuration with respect to said slots formed along the bottom of said hand rail permitting said curved hand rail section to be fitted in place adjacent said hand rail.
Claim 6
Dependent Claim
66 words
A construction set as in claim 1, wherein each of said bars includes a slotted portion extending along the side thereof and adjacent said back portions of said strips and said means connecting said strips to said bars comprises a fastener positioned within said slotted portion of each of said bars permitting said fastener to slide therein, said fastener being connected to each of said strips.
Claim 7
Dependent Claim
31 words
A construction set as in claim 5, wherein said bars further include second slotted portions running longitudinally therewith and decorative panels slidably mounted within said second slotted portions of said bars.
References Cited (Backward Citations)
US1611935A
Cited
GB466365A
Cited
US2461082A
Cited
US3164354A
Cited
FR1371128A
Cited
US3315995A
Cited
US3313527A
Cited
US3333823A
Cited
US3357681A
Cited
US3385566A
Cited
US3414236A
Cited
US3385576A
Cited
US3463456A
Cited
US3491984A
Cited
US3506243A
Cited
US3596880A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-04-08 | 1977-10-08 | 1978-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-04-08 | 1981-10-08 | 1982-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-04-08 | 1985-10-08 | 1986-04-09 | $7700.00 | Window Closed / Lapsed |