US2821799A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite indirectly illuminated instrument panels
Assignee: Individual
•
Filing: 1954-08-16
•
Granted: 1958-02-04
•
Expires: 1974-08-16
Abstract
No abstract record available.
Inventors
- 👤 Raymond E Partridge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:37
CPC Classifications
G; G02; G02B; G02B6/00; G02B6/0001; G02B6/0011; G02B6/0081
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1707965A
Cited
US2561885A
Cited
US2566026A
Cited
US2663107A
Cited
US2594081A
Cited
US2693656A
Cited
US2681524A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-03 | 1961-08-05 | 1962-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-03 | 1965-08-05 | 1966-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-03 | 1969-08-05 | 1970-02-04 | $7700.00 | Window Closed / Lapsed |