Patent US2594920A successfully refreshed from Google Patents.
US2594920A
Expired / Lapsed
US
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Vacuum printing frame
Assignee: ZARKIN MACHINE CO Inc
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Filing: 1949-07-09
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Granted: 1952-04-29
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Expires: 1969-07-09
Abstract
No abstract record available.
Inventors
- 👤 Bernard R Halpern
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:33
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/02; G03B27/14; G03B27/18; G03B27/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1315882A
Cited
DE433635C
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US1151477A
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DE519593C
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DE468190C
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US2117051A
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US2257581A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-29 | 1955-10-29 | 1956-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-29 | 1959-10-29 | 1960-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-29 | 1963-10-29 | 1964-04-29 | $7700.00 | Window Closed / Lapsed |