Patent US2551329A successfully refreshed from Google Patents.
US2551329A
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US
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Film treating apparatus
Assignee: Technicolor Motion Picture Corp
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Filing: 1946-08-15
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Granted: 1951-05-01
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Expires: 1966-08-15
Abstract
No abstract record available.
Inventors
- 👤 Harold H Klemola
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:00
CPC Classifications
G; G03; G03C; G03C7/00; G03C7/22; G03C7/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1378304A
Cited
US2072948A
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US2192833A
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US2281169A
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US2342203A
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US2428868A
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US2408614A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-30 | 1954-10-30 | 1955-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-30 | 1958-10-30 | 1959-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-30 | 1962-10-30 | 1963-05-01 | $7700.00 | Window Closed / Lapsed |