Patent US3499759A successfully refreshed from Google Patents.
US3499759A
Expired / Lapsed
US
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Light-sensitive reproduction layer comprising an oxetane polymer
Assignee: Kalle GmbH and Co KG
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Filing: 1968-07-03
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Granted: 1970-03-10
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Expires: 1988-07-03
Abstract
No abstract record available.
Inventors
- 👤 Herbert Maar
- 👤 Hartmut Steppan
- 👤 Gunter Messwarb
- 👤 Walter Luders
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:12
CPC Classifications
C; C08; C08G; C08G65/00; C08G65/02; C08G65/04; C08G65/06; C08G65/16; C08G65/18; C08G65/22; C08G65/223; G; G03; G03F; G03F7/00; G03F7/004; G03F7/038; G03F7/0388
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3409593A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-09 | 1973-09-08 | 1974-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-09 | 1977-09-08 | 1978-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-09 | 1981-09-08 | 1982-03-10 | $7700.00 | Window Closed / Lapsed |