Patent US3369448A successfully refreshed from Google Patents.
US3369448A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic reproducing apparatus
Assignee: Individual
•
Filing: 1965-01-28
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Granted: 1968-02-20
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Expires: 1985-01-28
Abstract
No abstract record available.
Inventors
- 👤 Dacquay Henri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:40
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/32; G03B27/323; G03B27/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2050571A
Cited
US2501469A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-19 | 1971-08-21 | 1972-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-19 | 1975-08-21 | 1976-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-19 | 1979-08-21 | 1980-02-20 | $7700.00 | Window Closed / Lapsed |