US2556770A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fading attachment for motionpicture cameras
Assignee: Individual
•
Filing: 1946-05-07
•
Granted: 1951-06-12
•
Expires: 1966-05-07
Abstract
No abstract record available.
Inventors
- 👤 Richard M Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:53
CPC Classifications
G; G03; G03B; G03B19/00; G03B19/18; G03B19/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1417005A
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US1409980A
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US1404404A
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US2088715A
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US2083646A
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US2117694A
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GB524543A
Cited
GB521150A
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US2376301A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-11 | 1954-12-11 | 1955-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-11 | 1958-12-11 | 1959-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-11 | 1962-12-11 | 1963-06-12 | $7700.00 | Window Closed / Lapsed |