US2524818A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light-sensitive print development apparatus
Assignee: Individual
•
Filing: 1946-06-25
•
Granted: 1950-10-10
•
Expires: 1966-06-25
Abstract
No abstract record available.
Inventors
- 👤 Joseph W Mchugh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:56
CPC Classifications
G; G03; G03D; G03D7/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1798414A
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US1841653A
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US1821306A
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US1953160A
Cited
GB411544A
Cited
DE686522C
Cited
DE654809C
Cited
US2240409A
Cited
US2257207A
Cited
US2336875A
Cited
US2431041A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-09 | 1954-04-10 | 1954-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-09 | 1958-04-10 | 1958-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-09 | 1962-04-10 | 1962-10-10 | $7700.00 | Window Closed / Lapsed |