US2586009A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interchangeable letter display device
Assignee: HAROLD F MOONERT
•
Filing: 1947-09-20
•
Granted: 1952-02-19
•
Expires: 1967-09-20
Abstract
No abstract record available.
Inventors
- 👤 Charles N Dickey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:31
CPC Classifications
G; G09; G09F; G09F7/00; G09F7/02; G09F7/12; Y; Y10; Y10S; Y10S446/00; Y10S446/901
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1530997A
Cited
US2046924A
Cited
GB427737A
Cited
US2095879A
Cited
GB475555A
Cited
US2200203A
Cited
US2293887A
Cited
US2383598A
Cited
US2303828A
Cited
US2331776A
Cited
US2435464A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-18 | 1955-08-20 | 1956-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-18 | 1959-08-20 | 1960-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-18 | 1963-08-20 | 1964-02-19 | $7700.00 | Window Closed / Lapsed |