US2642523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Luminaire of the wall mounted type
Assignee: Holophane Corp
•
Filing: 1949-08-16
•
Granted: 1953-06-16
•
Expires: 1969-08-16
Abstract
No abstract record available.
Inventors
- 👤 Vearl S Wince
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:05
CPC Classifications
F; F21; F21S; F21S8/00; F21S8/03; F21S8/033; F21V; F21V11/00; F21V11/16; F21V11/18; Y; Y10; Y10S; Y10S362/00; Y10S362/801
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1457061A
Cited
US1413439A
Cited
US1644877A
Cited
US1667741A
Cited
US1799304A
Cited
GB402876A
Cited
US2118749A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-15 | 1956-12-15 | 1957-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-15 | 1960-12-15 | 1961-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-15 | 1964-12-15 | 1965-06-16 | $7700.00 | Window Closed / Lapsed |