US1683609A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Luminair
Assignee: Holophane Corp
•
Filing: 1924-08-15
•
Granted: 1928-09-11
•
Expires: 1944-08-15
Abstract
No abstract record available.
Inventors
- 👤 William A Dorey
- 👤 William A Ingler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:44
CPC Classifications
F; F16; F16B; F16B5/00; F16B5/06; F16B5/0607; F16B5/0621; F16B5/0642; F21; F21S; F21S8/00; F21S8/08; F21S8/085; F21S8/088; F21V; F21V17/00; F21V17/10; F21V17/16; F21V17/164; F21V5/00
Claims Analysis
Total Claims: 0
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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) | 1931-09-11 | 1932-03-12 | 1932-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-09-11 | 1936-03-12 | 1936-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-09-11 | 1940-03-12 | 1940-09-11 | $7700.00 | Window Closed / Lapsed |