US2601347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motion-picture apparatus with pneumatic pulldown for film
Assignee: VITARAMA CORP
•
Filing: 1949-06-24
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Granted: 1952-06-24
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Expires: 1969-06-24
Abstract
No abstract record available.
Inventors
- 👤 Waller Fred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:38
CPC Classifications
G; G03; G03B; G03B1/00; G03B1/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1309471A
Cited
US1244919A
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US1244920A
Cited
US1912535A
Cited
US2037124A
Cited
US1944500A
Cited
US2373243A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-24 | 1955-12-24 | 1956-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-24 | 1959-12-24 | 1960-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-24 | 1963-12-24 | 1964-06-24 | $7700.00 | Window Closed / Lapsed |