US2859385A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Visual display apparatus
Assignee: —
•
Filing: —
•
Granted: 1958-11-04
•
Expires: 1975-11-04
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:20
CPC Classifications
G; G09; G09G; G09G3/00; G09G3/20; G09G3/22; G09G3/28; G09G3/288; G09G3/291; G09G3/294; G09G3/296
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1779748A
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US2021010A
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US1754491A
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US2083292A
Cited
US2049763A
Cited
US2201066A
Cited
US2558019A
Cited
US2749480A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-03 | 1962-05-05 | 1962-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-03 | 1966-05-05 | 1966-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-03 | 1970-05-05 | 1970-11-04 | $7700.00 | Window Closed / Lapsed |