US2925463A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for producing screened printing patterns
Assignee: Dr-Ing Rudolf Hell KG
•
Filing: 1953-03-11
•
Granted: 1960-02-16
•
Expires: 1973-03-11
Abstract
No abstract record available.
Inventors
- 👤 Hell Rudolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:30
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/387; B; B41; B41C; B41C1/00; B41C1/02; B41C1/04; B41M; B41M9/00; H04N1/393
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2029103A
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US2063614A
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US2079970A
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US2149487A
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US2312042A
Cited
US2355047A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-15 | 1963-08-17 | 1964-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-15 | 1967-08-17 | 1968-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-15 | 1971-08-17 | 1972-02-16 | $7700.00 | Window Closed / Lapsed |