US3409766A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination lighting and cooling system
Assignee: Lithonia Lighting Inc
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Filing: 1967-01-04
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Granted: 1968-11-05
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Expires: 1987-01-04
Abstract
No abstract record available.
Inventors
- 👤 Meckler Gershon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:29
CPC Classifications
F; F21; F21S; F21S2/00; E; E04; E04B; E04B9/00; E04B9/001; E04B9/006; E04B9/04; E04B9/0407; F21V; F21V11/00; F21V11/06; F21V29/00; F21V29/50; F21V29/502; F21V29/505; F21V33/00; F21V33/006; F24; F24F; F24F13/00; F24F13/02; F24F13/06; F24F13/078; F24F3/00; F24F3/044; F24F3/056; E04B9/02; E04B2009/026; E04B9/06; E04B9/064; E04B9/18; F21V21/00; F21V21/02; F21V21/04; F21V21/049; F21Y; F21Y2103/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-05 | 1972-05-06 | 1972-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-05 | 1976-05-06 | 1976-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-05 | 1980-05-06 | 1980-11-05 | $7700.00 | Window Closed / Lapsed |