US2768366A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Direction indicator
Assignee: Individual
•
Filing: 1953-01-16
•
Granted: 1956-10-23
•
Expires: 1973-01-16
Abstract
No abstract record available.
Inventors
- 👤 Louis M Bertaud
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:41
CPC Classifications
B; B60; B60Q; B60Q1/00; B60Q1/26; B60Q1/44; B60Q1/34; B60Q1/343
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1308873A
Cited
US1193379A
Cited
US1123454A
Cited
US1238750A
Cited
US1196736A
Cited
US1223628A
Cited
US1279159A
Cited
US1301741A
Cited
US1434217A
Cited
US1491033A
Cited
US1544020A
Cited
US1572314A
Cited
US1522380A
Cited
US1638706A
Cited
US2060831A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-23 | 1960-04-23 | 1960-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-23 | 1964-04-23 | 1964-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-23 | 1968-04-23 | 1968-10-23 | $7700.00 | Window Closed / Lapsed |