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US4373279A Expired / Lapsed US ⏱️ 0.0 years remaining

Frame straightening and supporting device

Assignee: Individual
•
Filing: 1980-09-05
•
Granted: 1983-02-15
•
Expires: 2000-09-05
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Abstract

Abstract A framing device which includes a plurality of diametrically opposite adjustable arms to tension the frame by pressing against the inner surfaces of the corner joints.

Inventors

  • 👤 Jack Abel
  • 👤 Cora Abel

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 02:20
CPC Classifications
B; B44; B44D; B44D3/00; B44D3/18; B44D3/185

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 114 words
A frame supporting and tightening device comprising a rigid central plate disposed parallel to the plane of the frame, a plurality of adjustable segmented arms of channel shaped cross-section secured at one end to the central plate and extending outwardly thereof, said segmented arms comprising an inner segment secured to the central plate and an outer segment slidably carried by the inner segments, means to adjustably secure the segments together, at least one bracket secured at the free end of each of the segmented arms and means to vary the position of the arm segments with respect to each other and the central plate to apply a desired force to portions of the frame.
Claim 2
Dependent Claim 114 words
A frame supporting and tightening device comprising a rigid central plate disposed parallel to the plane of the frame, a plurality of adjustable segmented arms of channel shaped cross-section secured at one end to the central plate and extending outwardly thereof, said segmented arms comprising an inner segment secured to the central plate and an outer segment slidably carried by the inner segments, means to adjustably secure the segments together, at least one bracket secured at the free end of each of the segmented arms and means to vary the position of the arm segments with respect to each other and the central plate to apply a desired force to portions of the frame.

References Cited (Backward Citations)

US445305A Cited
US1860323A Cited
US2661560A Cited
US4019270A Cited
US4028832A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1986-02-14 1986-08-16 1987-02-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1990-02-14 1990-08-16 1991-02-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1994-02-14 1994-08-16 1995-02-15 $7700.00 Window Closed / Lapsed

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