US2494282A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic printing frame
Assignee: Individual
•
Filing: 1947-06-19
•
Granted: 1950-01-10
•
Expires: 1967-06-19
Abstract
No abstract record available.
Inventors
- 👤 James T Campbell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:51
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/02; G03B27/14; G03B27/18; G03B27/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1521632A
Cited
GB326379A
Cited
US1956887A
Cited
US2170622A
Cited
US2210726A
Cited
US2257581A
Cited
US2270578A
Cited
US2366722A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-09 | 1953-07-11 | 1954-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-09 | 1957-07-11 | 1958-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-09 | 1961-07-11 | 1962-01-10 | $7700.00 | Window Closed / Lapsed |