Patent US2948074A successfully refreshed from Google Patents.
US2948074A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Illuminated plastic panel and method of fabricating same
Assignee: California Plasteck Inc
•
Filing: 1956-07-25
•
Granted: 1960-08-09
•
Expires: 1976-07-25
Abstract
No abstract record available.
Inventors
- 👤 James N Dupree
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:28
CPC Classifications
B; B64; B64D; B64D45/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1463722A
Cited
US1412131A
Cited
US1614924A
Cited
US1945718A
Cited
US2230009A
Cited
US2206290A
Cited
US2324694A
Cited
US2602036A
Cited
US2555505A
Cited
US2594081A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-09 | 1964-02-08 | 1964-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-09 | 1968-02-08 | 1968-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-09 | 1972-02-08 | 1972-08-09 | $7700.00 | Window Closed / Lapsed |