US3450535A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diffusion transfer receiving layer with high soda content
Assignee: Lumoprint Zindler KG and Co GmbH
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Filing: 1963-01-16
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Granted: 1969-06-17
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Expires: 1983-01-16
Abstract
No abstract record available.
Inventors
- 👤 Walter Limberger
- 👤 Rudolf Wendt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:57
CPC Classifications
G; G03; G03C; G03C8/00; G03C8/02; G03C8/04; G03C8/06; G03D; G03D5/00; G03D5/04; G03D9/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2543181A
Cited
US2725298A
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GB767978A
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US2992102A
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US2982650A
Cited
US3063837A
Cited
US3042514A
Cited
US3179517A
Cited
FR1242298A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-16 | 1972-12-16 | 1973-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-16 | 1976-12-16 | 1977-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-16 | 1980-12-16 | 1981-06-17 | $7700.00 | Window Closed / Lapsed |