Patent US3966133A successfully refreshed from Google Patents.
Patent US4373279A successfully refreshed from Google Patents.
US4373279A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Frame straightening and supporting device
Assignee: Individual
•
Filing: 1980-09-05
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Granted: 1983-02-15
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Expires: 2000-09-05
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 02:44
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)
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 |