Patent US2512487A successfully refreshed from Google Patents.
US2512487A
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US
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Cylindrical photographic printing device
Assignee: SAMUEL G RAUTBORD
•
Filing: 1946-11-09
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Granted: 1950-06-20
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Expires: 1966-11-09
Abstract
No abstract record available.
Inventors
- 👤 Lacy Joseph Henry De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:38
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/02; G03B27/14; G03B27/18; G03B27/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US731102A
Cited
GB194524A
Cited
US2024678A
Cited
US2240331A
Cited
US2260486A
Cited
GB538146A
Cited
US2292668A
Cited
US2345196A
Cited
US2421150A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-19 | 1953-12-19 | 1954-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-19 | 1957-12-19 | 1958-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-19 | 1961-12-19 | 1962-06-20 | $7700.00 | Window Closed / Lapsed |