US3484239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light-sensitive polyether reproduction layer
Assignee: Kalle GmbH and Co KG
•
Filing: 1967-01-04
•
Granted: 1969-12-16
•
Expires: 1987-01-04
Abstract
No abstract record available.
Inventors
- 👤 Hartmut Steppan
- 👤 Fritz Erdmann
- 👤 Gunter Messwarb
- 👤 Walter Luders
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:10
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/038; C; C08; C08G; C08G65/00; C08G65/02; C08G65/04; C08G65/06; C08G65/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2831768A
Cited
US3200086A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-15 | 1973-06-16 | 1973-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-15 | 1977-06-16 | 1977-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-15 | 1981-06-16 | 1981-12-16 | $7700.00 | Window Closed / Lapsed |