Patent US2747459A successfully refreshed from Google Patents.
US2747459A
Expired / Lapsed
US
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Photographic apparatus
Assignee: Individual
•
Filing: 1952-08-18
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Granted: 1956-05-29
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Expires: 1972-08-18
Abstract
No abstract record available.
Inventors
- 👤 George L Morrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:09
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/32; G03B27/52; G03B27/54; G03B27/542
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE287712C
Cited
FR553542A
Cited
CH75989A
Cited
US1597598A
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US1946323A
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US1949020A
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US2153186A
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US2353512A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-29 | 1959-11-28 | 1960-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-29 | 1963-11-28 | 1964-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-29 | 1967-11-28 | 1968-05-29 | $7700.00 | Window Closed / Lapsed |