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US2449765A
Expired / Lapsed
US
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Multiple circuit stand lamp
Assignee: Individual
•
Filing: 1945-01-02
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Granted: 1948-09-21
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Expires: 1965-01-02
Abstract
No abstract record available.
Inventors
- 👤 Paul L Brattain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:02
CPC Classifications
F; F21; F21S; F21S6/00; F21S6/005; F21S6/007; F21V; F21V23/00; F21V23/04; F21V7/00; F21V7/0008; F21V7/0016; Y; Y10; Y10S; Y10S200/00; Y10S200/21; Y10S200/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-09-21 | 1952-03-22 | 1952-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-09-21 | 1956-03-22 | 1956-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-09-21 | 1960-03-22 | 1960-09-21 | $7700.00 | Window Closed / Lapsed |