Patent US2240179A successfully refreshed from Google Patents.
US2240179A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Luminaire for multiple fluorescent lamps
Assignee: Mars Petcare US Inc
•
Filing: 1941-03-12
•
Granted: 1941-04-29
•
Expires: 1961-03-12
Abstract
No abstract record available.
Inventors
- 👤 Leroy C Doane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:50
CPC Classifications
F; F21; F21V; F21V7/00; F21V7/04; F21S; F21S8/00; F21S8/04; F21V7/005; 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)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1944-04-28 | 1944-10-28 | 1945-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-04-28 | 1948-10-28 | 1949-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-04-28 | 1952-10-28 | 1953-04-29 | $7700.00 | Window Closed / Lapsed |