US2652650A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for displaying signs
Assignee: FLUORESCENT ELECTRIC MANUFACTURING Co
•
Filing: 1947-08-07
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Granted: 1953-09-22
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Expires: 1967-08-07
Abstract
No abstract record available.
Inventors
- 👤 Leroy J Helms
- 👤 Edward R Easter
- 👤 Elmer E Reinig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:52
CPC Classifications
G; G09; G09F; G09F21/00; G09F21/04; G09F13/00; G09F13/20; Y; Y10; Y10S; Y10S362/00; Y10S362/812
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1004503A
Cited
CH71630A
Cited
US1436092A
Cited
CH97551A
Cited
US1446241A
Cited
US1813491A
Cited
US2299331A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-21 | 1957-03-23 | 1957-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-21 | 1961-03-23 | 1961-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-21 | 1965-03-23 | 1965-09-22 | $7700.00 | Window Closed / Lapsed |