US2952780A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic printing apparatus
Assignee: Individual
•
Filing: 1954-01-08
•
Granted: 1960-09-13
•
Expires: 1974-01-08
Abstract
No abstract record available.
Inventors
- 👤 Jr Elwood C Rogers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:18
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/72; G03B27/80
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1939243A
Cited
US1973512A
Cited
US2258994A
Cited
US2293425A
Cited
US2353218A
Cited
US2469076A
Cited
US2438303A
Cited
US2514595A
Cited
US2484299A
Cited
US2579764A
Cited
US2654858A
Cited
US2666858A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-13 | 1964-03-14 | 1964-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-13 | 1968-03-14 | 1968-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-13 | 1972-03-14 | 1972-09-13 | $7700.00 | Window Closed / Lapsed |