Patent US2355467A successfully refreshed from Google Patents.
US2355467A
Expired / Lapsed
US
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Waterproof fixture for fluorescent lamps
Assignee: HENRY BOORSTIN
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Filing: 1943-09-30
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Granted: 1944-08-08
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Expires: 1963-09-30
Abstract
No abstract record available.
Inventors
- 👤 Proulx Leo Ralph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:38
CPC Classifications
F; F21; F21S; F21S8/00; F21S8/08; F21S8/085; F21S8/088; H; H01; H01R; H01R33/00; H01R33/965; H01R33/9658; F21Y; F21Y2103/00
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) | 1947-08-08 | 1948-02-07 | 1948-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-08-08 | 1952-02-07 | 1952-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-08-08 | 1956-02-07 | 1956-08-08 | $7700.00 | Window Closed / Lapsed |