US2071159A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lighting construction
Assignee: Benjamin Electric Manufacturing Co
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Filing: 1931-10-01
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Granted: 1937-02-16
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Expires: 1951-10-01
Abstract
No abstract record available.
Inventors
- 👤 Reuben B Benjamin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:32
CPC Classifications
F; F21; F21V; F21V21/00; F21V21/14; F21V21/30; F21V14/00; F21V14/02; F21V15/00; F21V15/04; F21V17/00; F21V17/10; F21V17/16; F21V17/162; F21V19/00; F21V19/02; F21V9/00; F21V9/08; F21V11/00; F21V11/06; F21V17/164; F21V17/168; F21V7/00; F21V7/04; F21V7/09
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) | 1940-02-16 | 1940-08-17 | 1941-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-02-16 | 1944-08-17 | 1945-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-02-16 | 1948-08-17 | 1949-02-16 | $7700.00 | Window Closed / Lapsed |