US3448260A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Luminaire
Assignee: Holophane Corp
•
Filing: 1966-04-06
•
Granted: 1969-06-03
•
Expires: 1986-04-06
Abstract
No abstract record available.
Inventors
- 👤 Vearl S Wince
- 👤 Herbert A Odle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:42
CPC Classifications
F; F21; F21V; F21V13/00; F21V13/02; F21V13/04; F21S; F21S8/00; F21S8/08; F21V5/00; F21V5/02; F21V7/00; F21V7/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1794839A
Cited
US2089693A
Cited
GB484428A
Cited
US2334005A
Cited
US2739226A
Cited
US2802097A
Cited
US3340393A
Cited
US3233096A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-02 | 1972-12-02 | 1973-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-02 | 1976-12-02 | 1977-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-02 | 1980-12-02 | 1981-06-03 | $7700.00 | Window Closed / Lapsed |