Patent US1383234A successfully refreshed from Google Patents.
Patent US4218047A successfully refreshed from Google Patents.
US4218047A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jointure apparatus for tennis screen structures
Assignee: Douglas Industries Inc
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Filing: 1978-11-13
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Granted: 1980-08-19
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Expires: 1998-11-13
Abstract
Abstract This invention relates to structures employed to support tennis screen structures. Provision of a screen structure which is more readily and accurately manufactured and installed, easier to repair or replace, and adaptable to various standard heights, to the wide variety of tennis court complex dimensions, and to a variety of strength requirements, is achieved by the invention. A jointure apparatus includes a member (17) with attachment and flap portions (18,21), screen structure being secured between the flaps (21). Another member (22) has at least one hollow cylindrical member (24) for receiving portion (18). A member (31) has a hollow cylindrical member (32) for receiving portion (18) and flap members (36) for receiving screen structure therebetween.
Inventors
- 👤 Gerald A. Douglas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:47
CPC Classifications
E; E04; E04H; E04H3/00; E04H3/10; Y; Y10; Y10T; Y10T24/00; Y10T24/34; Y10T24/45; Y10T24/45005; Y10T403/00; Y10T403/61
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
192 words
A jointure apparatus for use in supported tennis screen structures, said apparatus comprising: at least one first means for holding screen structure being longitudinally elongated and having an attachment portion and a flap portion, said attachment portion including a cylindrical first bead portion and a first web strip attached to said first bead portion, said first web strip having a plurality of support receiving means formed therethrough, said flap portion being joined to said web strip, being U-shaped and including a pair of flaps, said flaps being connected at the juncture of said flap portion and said first web strip, the screen structure being secured between said flaps; and second means for holding screen structure being longitudinally elongated and having at least one grasping means, said grasping means including a cylindrical second bead portion, a second web strip attached to said second bead portion, a longitudinal slot formed into said second bead portion opposite said second web strip, and a plurality of second support receiving means formed through said second web strip, said first bead portion being received by said second bead portion, said first web strip projecting through said longitudinal slot.
Claim 2
Dependent Claim
192 words
A jointure apparatus for use in supported tennis screen structures, said apparatus comprising: at least one first means for holding screen structure being longitudinally elongated and having an attachment portion and a flap portion, said attachment portion including a cylindrical first bead portion and a first web strip attached to said first bead portion, said first web strip having a plurality of support receiving means formed therethrough, said flap portion being joined to said web strip, being U-shaped and including a pair of flaps, said flaps being connected at the juncture of said flap portion and said first web strip, the screen structure being secured between said flaps; and second means for holding screen structure being longitudinally elongated and having at least one grasping means, said grasping means including a cylindrical second bead portion, a second web strip attached to said second bead portion, a longitudinal slot formed into said second bead portion opposite said second web strip, and a plurality of second support receiving means formed through said second web strip, said first bead portion being received by said second bead portion, said first web strip projecting through said longitudinal slot.
Claim 3
Dependent Claim
42 words
A jointure apparatus as described in claim 1 and further wherein said second means includes a cylindrical third bead portion having a longitudinal second slot formed therein, said second web strip being attached to said third bead portion opposite said second slot.
Claim 4
Dependent Claim
41 words
A jointure apparatus as described in claim 1 and further wherein said second means includes a second flap portion which is U-shaped and has a connected pair of second flaps, said second web strip being attached to said second flap portion.
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) | 1983-08-19 | 1984-02-18 | 1984-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-08-19 | 1988-02-18 | 1988-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-08-19 | 1992-02-18 | 1992-08-19 | $7700.00 | Window Closed / Lapsed |