Patent US2594074A successfully refreshed from Google Patents.
US2594074A
Expired / Lapsed
US
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Lamp support for insertion in tubular lamp stands
Assignee: Individual
•
Filing: 1949-02-19
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Granted: 1952-04-22
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Expires: 1969-02-19
Abstract
No abstract record available.
Inventors
- 👤 Rosenfeld Lawrence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:48
CPC Classifications
F; F21; F21V; F21V21/00; F21V21/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1032119A
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US1235020A
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US1197993A
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US1352862A
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US1537789A
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US1588216A
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GB261303A
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US2254679A
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US2481355A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-22 | 1955-10-22 | 1956-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-22 | 1959-10-22 | 1960-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-22 | 1963-10-22 | 1964-04-22 | $7700.00 | Window Closed / Lapsed |