US1995012A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lighting device
Assignee: Individual
•
Filing: 1933-05-06
•
Granted: 1935-03-19
•
Expires: 1953-05-06
Abstract
No abstract record available.
Inventors
- 👤 Rivier Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:42
CPC Classifications
F; F21; F21S; F21S41/00; F21S41/60; F21S41/68; F21S41/683; F21S41/686; F21S41/10; F21S41/14; F21S41/162; F21S41/30; F21S41/32; F21S41/321; F21S41/36; F21S41/365; F21S41/40; F21S41/43
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) | 1938-03-18 | 1938-09-17 | 1939-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-03-18 | 1942-09-17 | 1943-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-03-18 | 1946-09-17 | 1947-03-19 | $7700.00 | Window Closed / Lapsed |