US3713997A
Expired / Lapsed
US
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Method for the galvano technical manufacture of cylindrical thinwalled screen stencils for the rotary screen printing process
Assignee: Stork Amsterdam NV
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Filing: 1971-02-22
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Granted: 1973-01-30
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Expires: 1991-02-22
Abstract
Abstract A METHOD FOR THE GALVANO TECHNICAL MANUFACTURING OF A SEAMLESS CYLINDRICAL THIN-WALLED STENCIL TO BE USED IN THE ROTARY SCREEN PRINTING PROCESS, SAID METHOD COMPRISING TWO STEPS VIZ DEPOSITING A LAYER OF NICKEL PRIOR TO, OR AFTER THE DEPOSITION OF A LAYER OF ZINC OR COPPER UPON A CYLINDRICAL MATRIX, SO AS TO OBTAIN A TWO-PLY STENCIL.
Inventors
- 👤 L Anselrode
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:38
CPC Classifications
C; C25; C25D; C25D1/00; C25D1/10; B; B41; B41C; B41C1/00; B41C1/14; B41C1/142; C25D1/02
Claims Analysis
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-01-30 | 1976-07-31 | 1977-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-30 | 1980-07-31 | 1981-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-30 | 1984-07-31 | 1985-01-30 | $7700.00 | Window Closed / Lapsed |