US4388862A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for silk screen printing
Assignee: Individual
•
Filing: 1981-12-18
•
Granted: 1983-06-21
•
Expires: 2001-12-18
Abstract
Abstract A screen printing device for T-shirts and the like including a flat perforated portion on which the T-shirt is positioned, a vacuum being applied to cause the ink to go through the printing screen.
Inventors
- 👤 Thomas A. Thomas, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:59
CPC Classifications
B; B41; B41F; B41F15/00; B41F15/02; B41F15/14; B41F15/16; B41F15/18; B41F15/20
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
160 words
A screen printing device for T-shirts and the like comprising: (a) support means including a table top; (b) duct means extending forward from said table top and having an upper opening; (c) flat perforated sheet means covering said duct opening; (d) vacuum means attached to said duct means; (e) track means on the sides of said sheet means; (f) a U-shaped shirt board slidable on said track means so as to surround three sides of the sheet means; (g) a screen frame adapted to contain a printing screen; (h) means to hold said screen frame in position so as to permit a printing screen to contact a T-shirt on said flat perforated sheet means; and (i) means for controlling the time of operation of said vacuum means; said device being so characterized that printing is done without a squeegee by timed operation of said vacuum means where an ink is used which cannot penetrate the screen openings by gravity alone.
Claim 2
Dependent Claim
160 words
A screen printing device for T-shirts and the like comprising: (a) support means including a table top; (b) duct means extending forward from said table top and having an upper opening; (c) flat perforated sheet means covering said duct opening; (d) vacuum means attached to said duct means; (e) track means on the sides of said sheet means; (f) a U-shaped shirt board slidable on said track means so as to surround three sides of the sheet means; (g) a screen frame adapted to contain a printing screen; (h) means to hold said screen frame in position so as to permit a printing screen to contact a T-shirt on said flat perforated sheet means; and (i) means for controlling the time of operation of said vacuum means; said device being so characterized that printing is done without a squeegee by timed operation of said vacuum means where an ink is used which cannot penetrate the screen openings by gravity alone.
Claim 3
Dependent Claim
43 words
The screen printing device of claim 1 wherein the means for holding the screen frame in position is pivotally mounted on said support means and includes an arm which holds said screen frame at one end and a counterweight on the other end.
Claim 4
Dependent Claim
13 words
The screen printing device of claim 1 wherein said shirt board is interchangeable.
References Cited (Backward Citations)
US1922710A
Cited
US2397731A
Cited
GB683800A
Cited
GB681259A
Cited
GB777022A
Cited
DE1924129A1
Cited
US4031825A
Cited
US4305331A
Cited
US4315461A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-06-20 | 1986-12-20 | 1987-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-06-20 | 1990-12-20 | 1991-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-06-20 | 1994-12-20 | 1995-06-21 | $7700.00 | Window Closed / Lapsed |