US2898808A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Objective for enlargements
Assignee: Agfa Gevaert NV
•
Filing: 1956-12-13
•
Granted: 1959-08-11
•
Expires: 1976-12-13
Abstract
No abstract record available.
Inventors
- 👤 Baur Carl
- 👤 Otzen Christian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:51
CPC Classifications
G; G02; G02B; G02B9/00; G02B9/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US765006A
Cited
US1421156A
Cited
US2279384A
Cited
GB601837A
Cited
US2645154A
Cited
US2764062A
Cited
FR1126860A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-10 | 1963-02-09 | 1963-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-10 | 1967-02-09 | 1967-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-10 | 1971-02-09 | 1971-08-11 | $7700.00 | Window Closed / Lapsed |