Patent US3862018A successfully refreshed from Google Patents.
US3862018A
Expired / Lapsed
US
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Rigidizing process for screens with aluminum frames
Assignee: Individual
•
Filing: 1973-06-15
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Granted: 1975-01-21
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Expires: 1993-06-15
Abstract
Abstract An improved process for rigidized screen for printing and the like in which the frame is zincated prior to rigidizing the screen by encapsulating the screen in nickel.
Inventors
- 👤 Pat F Mentone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:15
CPC Classifications
C; C25; C25D; C25D1/00; C25D1/08; B; B41; B41C; B41C1/00; B41C1/14; B41C1/142; C25D3/00; C25D3/02; C25D3/12; C25D5/00; C25D5/34; C25D5/36; C25D5/42; C25D5/44; C25D7/00
Claims Analysis
Total Claims: 0
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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) | 1978-01-20 | 1978-07-22 | 1979-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-01-20 | 1982-07-22 | 1983-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-01-20 | 1986-07-22 | 1987-01-21 | $7700.00 | Window Closed / Lapsed |