US2177217A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle head lamp
Assignee: General Electric Co
•
Filing: 1937-03-23
•
Granted: 1939-10-24
•
Expires: 1957-03-23
Abstract
No abstract record available.
Inventors
- 👤 Ernest A Howard
- 👤 Kenneth D Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:58
CPC Classifications
F; F21; F21V; F21V5/00; B; B60; B60Q; B60Q1/00; B60Q1/02; B60Q1/04; B60Q1/14; F21S; F21S41/00; F21S41/20; F21S41/28; F21W; F21W2107/00; F21W2107/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1942-10-23 | 1943-04-24 | 1943-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-10-23 | 1947-04-24 | 1947-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-10-23 | 1951-04-24 | 1951-10-24 | $7700.00 | Window Closed / Lapsed |