US2922335A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magazine slide projector with slide review means
Assignee: Individual
•
Filing: 1956-02-27
•
Granted: 1960-01-26
•
Expires: 1976-02-27
Abstract
No abstract record available.
Inventors
- 👤 Jr Ralph D Lacoe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:48
CPC Classifications
G; G03; G03B; G03B23/00; G03B23/02; G03B23/04; G03B23/042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1049196A
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US1165318A
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US2503239A
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US2486841A
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US2532775A
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US2705437A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-25 | 1963-07-27 | 1964-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-25 | 1967-07-27 | 1968-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-25 | 1971-07-27 | 1972-01-26 | $7700.00 | Window Closed / Lapsed |