US3069284A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for producing raised impressions on matrices
Assignee: Virkotype Corp
•
Filing: 1959-11-27
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Granted: 1962-12-18
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Expires: 1979-11-27
Abstract
No abstract record available.
Inventors
- 👤 Richard F Berndt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:39
CPC Classifications
B; B41; B41M; B41M7/00; B41M7/02; B41F; B41F23/00; B41F23/04; B41F23/06; B41F23/065
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
66 words
THE PROCESS FOR PRODUCING A RAISED IMPRESSION ON A MATRIX WHICH COMPRISES PASSING A MATRIX HAVING AN ADHESIVE IMPRESSION THEREON OVER AN AREA, DISTRIBUTING PARTICLES ON SAID MATRIX IN ITS PASSAGE OVER SAID AREA, DIRECTING BLASTS OF A GASEOUS MEDIUM OVER A NARROW AREA OF SAID MATRIX, INTERRUPTING SAID BLASTS AND APPLYING A SUCTION AT THE SAME POINT AND REPEATING SAID CYCLE OF BLASTS AND SUCTION.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-17 | 1966-06-18 | 1966-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-17 | 1970-06-18 | 1970-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-17 | 1974-06-18 | 1974-12-18 | $7700.00 | Window Closed / Lapsed |