Patent US2995064A successfully refreshed from Google Patents.
US2995064A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motion picture projector
Assignee: Westinghouse Electric Corp
•
Filing: 1958-01-02
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Granted: 1961-08-08
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Expires: 1978-01-02
Abstract
No abstract record available.
Inventors
- 👤 Norman C Beese
- 👤 Theodore C Retzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:25
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/14; G03B21/32; G03B21/20; G03B21/2006; G03B21/2026
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1206984A
Cited
US2186013A
Cited
DE877862C
Cited
GB489787A
Cited
GB484565A
Cited
GB595139A
Cited
US2727169A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-07 | 1965-02-06 | 1965-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-07 | 1969-02-06 | 1969-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-07 | 1973-02-06 | 1973-08-08 | $7700.00 | Window Closed / Lapsed |