Patent US4918890A successfully refreshed from Google Patents.
US4918890A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Garage door antisag device
Assignee: Individual
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Filing: 1989-02-21
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Granted: 1990-04-24
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Expires: 2009-02-21
Abstract
Abstract A garage door antisag device which uses pairs of adjustable tensive members 11 which are adapted to diagonally attach across single or multiple panels 2, 3, and 4 to hinge plates 5 and bolts 6 of a standard wooden paneled garage door 1. Each tensive member 11 has a pair of rods 12 axially coupled by turnbuckle 15. One rod 12 is provided with right hand threads 16 while the other is provided with left hand threads 17 at their first ends 13. The second ends of the rods are provided with loops which define off set eyeholes 14 for engaging the hinge bolts 6 of the garage door 1.
Inventors
- 👤 Thomas A. Stafford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:37
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/48; E06B3/485; E04; E04F; E04F21/00; E04F21/0007
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
166 words
An antisag device for use on garage doors having at least two width defining rectangular panels, one being the right hand panel and the other being the left hand panel, which comprises a pair of adjustable tensive members having off set eyeholes at first and second ends and wherein a first tensive member is tensively and diagonally attached across the right hand panel were said first end of said first tensive member is attached to the upper right hand corner of the right hand panel while said second end is attached to a center point between the lower left hand corner of the right hand panel and the lower right hand corner of the left hand panel and further wherein a second tensive member is tensively and diagonally attached across the left hand panel where said first end of said second tensive member is attached to the upper left hand corner of the left hand panel while said second end is attached to said center point.
Claim 2
Dependent Claim
166 words
An antisag device for use on garage doors having at least two width defining rectangular panels, one being the right hand panel and the other being the left hand panel, which comprises a pair of adjustable tensive members having off set eyeholes at first and second ends and wherein a first tensive member is tensively and diagonally attached across the right hand panel were said first end of said first tensive member is attached to the upper right hand corner of the right hand panel while said second end is attached to a center point between the lower left hand corner of the right hand panel and the lower right hand corner of the left hand panel and further wherein a second tensive member is tensively and diagonally attached across the left hand panel where said first end of said second tensive member is attached to the upper left hand corner of the left hand panel while said second end is attached to said center point.
Claim 3
Dependent Claim
199 words
An antisag device for use on garage doors having at least two width defining rectangular panels, one being the right hand panel and the other being the left hand panel which comprises: at least four rods wherein each of said rods has a threaded first end and a second end having an off set eyehole, for receiving a bolt therethrough; at least two turnbuckles, each being threadedly engaged with a pair of said rods, thereby defining first and second pairs of rods; said turnbuckle and said pair of rods together having a length slightly greater than the length of the panel's diagonal; wherein a first eyehole of said first pair of rods is attached to the upper right hand corner of the right hand panel while a second eyehole of said first pair is attached to a center point between the lower left hand corner of said right hand panel and the lower right hand corner of said left hand panel; and wherein a first eyehole of said second pair of rods is attached to the upper left hand corner of the left hand panel while a second eyehole of said second pair is attached to said center point.
Claim 4
Dependent Claim
199 words
An antisag device for use on garage doors having at least two width defining rectangular panels, one being the right hand panel and the other being the left hand panel which comprises: at least four rods wherein each of said rods has a threaded first end and a second end having an off set eyehole, for receiving a bolt therethrough; at least two turnbuckles, each being threadedly engaged with a pair of said rods, thereby defining first and second pairs of rods; said turnbuckle and said pair of rods together having a length slightly greater than the length of the panel's diagonal; wherein a first eyehole of said first pair of rods is attached to the upper right hand corner of the right hand panel while a second eyehole of said first pair is attached to a center point between the lower left hand corner of said right hand panel and the lower right hand corner of said left hand panel; and wherein a first eyehole of said second pair of rods is attached to the upper left hand corner of the left hand panel while a second eyehole of said second pair is attached to said center point.
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) | 1993-04-23 | 1993-10-23 | 1994-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-04-23 | 1997-10-23 | 1998-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-04-23 | 2001-10-23 | 2002-04-24 | $7700.00 | Window Closed / Lapsed |