US2924436A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Luminaire cooling means
Assignee: Burgess-Manning Co
•
Filing: 1955-05-23
•
Granted: 1960-02-09
•
Expires: 1975-05-23
Abstract
No abstract record available.
Inventors
- 👤 Joseph G Baran
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:41
CPC Classifications
F; F21; F21V; F21V33/00; F21V33/0088; F21V29/00; F24; F24F; F24F13/00; F24F13/02; F24F13/06; F24F13/078; F24F3/00; F24F3/044; F24F3/056
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1369008A
Cited
US2317015A
Cited
US2662743A
Cited
FR1064450A
Cited
US2710336A
Cited
US2713631A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-08 | 1963-08-10 | 1964-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-08 | 1967-08-10 | 1968-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-08 | 1971-08-10 | 1972-02-09 | $7700.00 | Window Closed / Lapsed |