US2869447A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic printing machine
Assignee: Individual
•
Filing: 1953-09-17
•
Granted: 1959-01-20
•
Expires: 1973-09-17
Abstract
No abstract record available.
Inventors
- 👤 Berg Carl E Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:07
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1125148A
Cited
US1710960A
Cited
US1783953A
Cited
US1831248A
Cited
US1881791A
Cited
US1947795A
Cited
US2100087A
Cited
US2426092A
Cited
US2638827A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |