Patent US2925752A successfully refreshed from Google Patents.
US2925752A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic printing easel
Assignee: JAMES A HODOCK
•
Filing: 1957-04-24
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Granted: 1960-02-23
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Expires: 1977-04-24
Abstract
No abstract record available.
Inventors
- 👤 Jr William R Van Deusen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:28
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/32; G03B27/52; G03B27/58; G03B27/582
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2004232A
Cited
US2063878A
Cited
FR985450A
Cited
US2427860A
Cited
US2605675A
Cited
US2770165A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-22 | 1963-08-24 | 1964-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-22 | 1967-08-24 | 1968-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-22 | 1971-08-24 | 1972-02-23 | $7700.00 | Window Closed / Lapsed |