Patent US2557352A successfully refreshed from Google Patents.
US2557352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Printing stencil
Assignee: Individual
•
Filing: 1947-04-19
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Granted: 1951-06-19
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Expires: 1967-04-19
Abstract
No abstract record available.
Inventors
- 👤 Kanitz George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:12
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A PROCESS FOR PREPARING STENCILS FOR SCREEN PRINTING, SAID PROCESS COMPRISING PROVIDING A STRETCHED SCREEN WITH A SOLUBLE STENCIL LAYER INSENTITIVE TO LIGTH, APPLYING A DESIGN TO BE PRINTED DIRECTLY TO THE SURFACE OF SAID LAYER, RENDERING THOSE PORTIONS OF THE LAYER, WHICH ARE NOT COVERED BY THE DESIGN, INSOLUBLE BY SENSITIZING AND EXPOSURE TO LIGHT, AND REMOVING THE PORTIONS OF THE LAYER COVERED BY THE DESIGN AND SAID DESIGN BY DISSOLVING THESE PORTIONS OF THE LAYER.
Claim 2
Dependent Claim
77 words
A PROCESS FOR PREPARING STENCILS FOR SCREEN PRINTING, SAID PROCESS COMPRISING PROVIDING A STRETCHED SCREEN WITH A SOLUBLE STENCIL LAYER INSENTITIVE TO LIGTH, APPLYING A DESIGN TO BE PRINTED DIRECTLY TO THE SURFACE OF SAID LAYER, RENDERING THOSE PORTIONS OF THE LAYER, WHICH ARE NOT COVERED BY THE DESIGN, INSOLUBLE BY SENSITIZING AND EXPOSURE TO LIGHT, AND REMOVING THE PORTIONS OF THE LAYER COVERED BY THE DESIGN AND SAID DESIGN BY DISSOLVING THESE PORTIONS OF THE LAYER.
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) | 1954-06-18 | 1954-12-18 | 1955-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-18 | 1958-12-18 | 1959-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-18 | 1962-12-18 | 1963-06-19 | $7700.00 | Window Closed / Lapsed |