US2922334A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slide projector with mechanical feed
Assignee: Agfa Gevaert NV
•
Filing: 1956-02-21
•
Granted: 1960-01-26
•
Expires: 1976-02-21
Abstract
No abstract record available.
Inventors
- 👤 Krull Ernst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:31
CPC Classifications
G; G03; G03B; G03B23/00; G03B23/02; G03B23/04; G03B23/046
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR408237A
Cited
US594819A
Cited
FR347782A
Cited
US1624098A
Cited
US2132716A
Cited
US2276935A
Cited
US2401506A
Cited
US2528325A
Cited
US2579281A
Cited
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 |