US2543926A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Retractable office lamp
Assignee: JUMO SOC NOUV ETS
•
Filing: 1946-09-06
•
Granted: 1951-03-06
•
Expires: 1966-09-06
Abstract
No abstract record available.
Inventors
- 👤 Mounique Andre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:14
CPC Classifications
F; F21; F21S; F21S6/00; F21S6/002; F21S6/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1310936A
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US1044689A
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US1440694A
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US1746810A
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FR719420A
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US2076446A
Cited
CH193106A
Cited
CH216821A
Cited
US2233300A
Cited
US2301661A
Cited
US2285868A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-05 | 1954-09-04 | 1955-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-05 | 1958-09-04 | 1959-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-05 | 1962-09-04 | 1963-03-06 | $7700.00 | Window Closed / Lapsed |