Patent US2942293A successfully refreshed from Google Patents.
US2942293A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for manufacturing color screens for use in connection with color photography
Assignee: EMIMETA FABRIKATIONS ANSTALT F
•
Filing: 1956-05-21
•
Granted: 1960-06-28
•
Expires: 1976-05-21
Abstract
No abstract record available.
Inventors
- 👤 Wahl Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:53
CPC Classifications
G; G03; G03C; G03C7/00; G03C7/04; G03C7/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US684568A
Cited
US990247A
Cited
US1134606A
Cited
US1155900A
Cited
US1182982A
Cited
GB157812A
Cited
US1281407A
Cited
US1518371A
Cited
US1728101A
Cited
US2045328A
Cited
US2003778A
Cited
US2234964A
Cited
US2398435A
Cited
US2320473A
Cited
US2383047A
Cited
US2428284A
Cited
US2558244A
Cited
US2631946A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-28 | 1963-12-28 | 1964-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-28 | 1967-12-28 | 1968-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-28 | 1971-12-28 | 1972-06-28 | $7700.00 | Window Closed / Lapsed |