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US4260124A Expired / Lapsed US ⏱️ 0.0 years remaining

Easel

Assignee: Individual
•
Filing: 1979-06-28
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Granted: 1981-04-07
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Expires: 1999-06-28
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Abstract

Abstract A folding easel is provided wherein the two uprights of the easel are provided with complementary mortises or notches which hold the two uprights together at a fixed angle when the two uprights are held together with a clamp. The clamp means can be released, allowing the two uprights to be held in a parallel relationship for transportation or storage.

Inventors

  • 👤 Gregory S. Heilman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 22:45
CPC Classifications
A; A47; A47B; A47B97/00; A47B97/04; A47B97/08; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32262; Y10T403/32319; Y10T403/32327; Y10T403/32344; Y10T403/70; Y10T403/7001

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 231 words
A folding easel comprising in combination: (a) first and second uprights, each upright being formed with an elongate slot extending a substantial distance along the length of said uprights; (b) a mortise in each of said uprights, said mortises being complementary and adapted to hold the two uprights crossed relative to each other and at an acute angle relative to each other; (c) releasable clamp means at the middle of said mortises adapted to hold the two uprights together at the angle dictated by the mortises in a first position and permitting the two uprights to lie side by side in a parallel relationship in a carrying position of longitudinal alignment when said clamping means is removed; (d) a leg member attached to said clamping means to hold the easel upright when the uprights are in said first position; (e) a horizontal cross member adapted to be connected to said uprights below said clamping means, said cross member being formed with an elongate slot extending a substantial distance along the length thereof, the lengths of the slot formed in said cross member overlapping the slots formed in said uprights for various horizontal positions of adjustment, (f) and means projecting through the slot of said cross member and slots of said uprights for securing said member to said uprights in various positions of horizontal adjustment and said carrying position of longitudinal alignment.
Claim 2
Dependent Claim 231 words
A folding easel comprising in combination: (a) first and second uprights, each upright being formed with an elongate slot extending a substantial distance along the length of said uprights; (b) a mortise in each of said uprights, said mortises being complementary and adapted to hold the two uprights crossed relative to each other and at an acute angle relative to each other; (c) releasable clamp means at the middle of said mortises adapted to hold the two uprights together at the angle dictated by the mortises in a first position and permitting the two uprights to lie side by side in a parallel relationship in a carrying position of longitudinal alignment when said clamping means is removed; (d) a leg member attached to said clamping means to hold the easel upright when the uprights are in said first position; (e) a horizontal cross member adapted to be connected to said uprights below said clamping means, said cross member being formed with an elongate slot extending a substantial distance along the length thereof, the lengths of the slot formed in said cross member overlapping the slots formed in said uprights for various horizontal positions of adjustment, (f) and means projecting through the slot of said cross member and slots of said uprights for securing said member to said uprights in various positions of horizontal adjustment and said carrying position of longitudinal alignment.

References Cited (Backward Citations)

DE171972C Cited
US1218790A Cited
AT88813B Cited
FR836745A Cited
CH444808A Cited
US3396933A Cited
US3927950A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1984-04-06 1984-10-06 1985-04-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1988-04-06 1988-10-06 1989-04-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1992-04-06 1992-10-06 1993-04-07 $7700.00 Window Closed / Lapsed

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