US3416920A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic method of producing a copy from an endless silver surface
Assignee: Lumoprint Zindler KG and Co GmbH
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Filing: 1964-03-10
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Granted: 1968-12-17
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Expires: 1984-03-10
Abstract
No abstract record available.
Inventors
- 👤 Limberger Walter
- 👤 Wendt Rudolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:50
CPC Classifications
G; G03; G03C; G03C8/00; G03C8/02; G03C8/04; G03B; G03B27/00; G03B27/02; G03B27/10; G03C1/00; G03C1/494; G03C1/496; G03D; G03D9/00
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) | 1971-12-17 | 1972-06-17 | 1972-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-17 | 1976-06-17 | 1976-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-17 | 1980-06-17 | 1980-12-17 | $7700.00 | Window Closed / Lapsed |