Patent US2948207A successfully refreshed from Google Patents.
US2948207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic printing apparatus
Assignee: COPYCAT Ltd
•
Filing: 1958-06-18
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Granted: 1960-08-09
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Expires: 1978-06-18
Abstract
No abstract record available.
Inventors
- 👤 Amsel Donald
- 👤 Wright Malcolm Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:55
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/02; G03B27/04; G03B27/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1378101A
Cited
US1416154A
Cited
US1705048A
Cited
US1968287A
Cited
US1929816A
Cited
US2054237A
Cited
US2355268A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-09 | 1964-02-08 | 1964-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-09 | 1968-02-08 | 1968-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-09 | 1972-02-08 | 1972-08-09 | $7700.00 | Window Closed / Lapsed |