US2465141A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lighting fixture for tubular lamps
Assignee: F W WAKEFIELD BRASS Co
•
Filing: 1944-11-15
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Granted: 1949-03-22
•
Expires: 1964-11-15
Abstract
No abstract record available.
Inventors
- 👤 George P Wakefield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:38
CPC Classifications
F; F21; F21S; F21S8/00; F21S8/04; F21S8/06; F21V; F21V17/00; F21V21/00; F21V21/005; F21Y; F21Y2103/00; F21Y2113/00
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-21 | 1952-09-20 | 1953-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-21 | 1956-09-20 | 1957-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-21 | 1960-09-20 | 1961-03-22 | $7700.00 | Window Closed / Lapsed |