US2895233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coordinated news and map display device
Assignee: Individual
•
Filing: 1955-12-13
•
Granted: 1959-07-21
•
Expires: 1975-12-13
Abstract
No abstract record available.
Inventors
- 👤 Medard W Welch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 00:21
CPC Classifications
G; G09; G09B; G09B29/00; G09B29/06; G09B29/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB166967A
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US281770A
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US309546A
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US1482440A
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US1795796A
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US1476671A
Cited
US2001633A
Cited
US2191109A
Cited
GB555952A
Cited
US2431827A
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US2411300A
Cited
US2570454A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-20 | 1963-01-19 | 1963-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-20 | 1967-01-19 | 1967-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-20 | 1971-01-19 | 1971-07-21 | $7700.00 | Window Closed / Lapsed |