Patent US2710336A successfully refreshed from Google Patents.
US2710336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light troffer with heat transfer means
Assignee: Burgess-Manning Co
•
Filing: 1952-09-06
•
Granted: 1955-06-07
•
Expires: 1972-09-06
Abstract
No abstract record available.
Inventors
- 👤 Albert T Jorn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:16
CPC Classifications
F; F21; F21V; F21V29/00; F21V29/50; F21V29/56; F21S; F21S8/00; F21S8/02; F21S8/04; F21V19/00; F21V19/0075; F21V33/00; F21Y; F21Y2103/00; F21Y2113/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1958-06-06 | 1958-12-06 | 1959-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-06 | 1962-12-06 | 1963-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-06 | 1966-12-06 | 1967-06-07 | $7700.00 | Window Closed / Lapsed |