US1987464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lighting fittings
Assignee: Benjamin Electric Manufacturing Co
•
Filing: 1933-11-13
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Granted: 1935-01-08
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Expires: 1953-11-13
Abstract
No abstract record available.
Inventors
- 👤 Campbell Guy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:24
CPC Classifications
F; F21; F21V; F21V21/00; F21V21/002; E; E02; E02F; E02F3/00; E02F3/04; E02F3/76; F21V19/00; H; H02; H02G; H02G3/00; H02G3/02; H02G3/08; H02G3/18; H02G3/20
Claims Analysis
Total Claims: 0
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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) | 1938-01-07 | 1938-07-09 | 1939-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-01-07 | 1942-07-09 | 1943-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-01-07 | 1946-07-09 | 1947-01-08 | $7700.00 | Window Closed / Lapsed |