US3431053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical copying apparatus
Assignee: Agfa Gevaert AG
•
Filing: 1965-10-14
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Granted: 1969-03-04
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Expires: 1985-10-14
Abstract
No abstract record available.
Inventors
- 👤 Richard Wick
- 👤 Fritz Waschk
- 👤 Jurgen Orthmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:56
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/32; G03B27/52; G03B27/522; G03B27/525; G03B27/526; G03G; G03G15/00; G03G15/22; G03G15/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-03 | 1972-09-02 | 1973-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-03 | 1976-09-02 | 1977-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-03 | 1980-09-02 | 1981-03-04 | $7700.00 | Window Closed / Lapsed |