Patent US4729015B1 successfully refreshed from Google Patents.
US4729015B1
Expired / Lapsed
US
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Method and apparatus for making positive copies from diapositives
Assignee: AgfaPhoto GmbH
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Filing: 1986-07-09
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Granted: 2000-09-12
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Expires: 2006-07-09
Abstract
No abstract record available.
Inventors
- 👤 Eduard Wagensonner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:38
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/40; H04N1/401; H04N1/23; H04N1/46; H04N1/50; H04N1/506; H04N1/508
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2003-09-12 | 2004-03-13 | 2004-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2007-09-12 | 2008-03-13 | 2008-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2011-09-12 | 2012-03-13 | 2012-09-12 | $7700.00 | Window Closed / Lapsed |