US2842881A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Illuminated sign
Assignee: Individual
•
Filing: 1956-02-27
•
Granted: 1958-07-15
•
Expires: 1976-02-27
Abstract
No abstract record available.
Inventors
- 👤 John B Vidach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:08
CPC Classifications
G; G09; G09F; G09F13/00; G09F13/04; G09F13/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1381038A
Cited
US979526A
Cited
US2029221A
Cited
US2076081A
Cited
US2612548A
Cited
US2646636A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-14 | 1962-01-13 | 1962-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-14 | 1966-01-13 | 1966-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-14 | 1970-01-13 | 1970-07-15 | $7700.00 | Window Closed / Lapsed |