US3547641A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Planographic offset printing masters
Assignee: EIDP Inc
•
Filing: 1966-06-20
•
Granted: 1970-12-15
•
Expires: 1986-06-20
Abstract
No abstract record available.
Inventors
- 👤 Ralph Kingsley Blake
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:43
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/06; G03F7/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB746948A
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US2789054A
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US2878121A
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BE565696A
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US3278958A
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US2944894A
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US2969014A
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US3053659A
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US3161508A
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US3260600A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-14 | 1974-06-15 | 1974-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-14 | 1978-06-15 | 1978-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-14 | 1982-06-15 | 1982-12-15 | $7700.00 | Window Closed / Lapsed |