US3197903A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dead front display
Assignee: Individual
•
Filing: 1963-05-28
•
Granted: 1965-08-03
•
Expires: 1983-05-28
Abstract
No abstract record available.
Inventors
- 👤 Gerald A Walley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:35
CPC Classifications
G; G09; G09F; G09F13/00; G09F13/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1648977A
Cited
US1157856A
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US1389365A
Cited
US1888584A
Cited
US2104280A
Cited
US2737559A
Cited
US3010235A
Cited
FR1259082A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |