US2836710A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lamp assembly
Assignee: Individual
•
Filing: 1952-05-15
•
Granted: 1958-05-27
•
Expires: 1972-05-15
Abstract
No abstract record available.
Inventors
- 👤 Wanda L Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:43
CPC Classifications
F; F21; F21S; F21S6/00; F21S6/002; F21V; F21V17/00; F21V17/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US256974A
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US337548A
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US1212228A
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US1216696A
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US1457347A
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US1587469A
Cited
US1745365A
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US1801010A
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US1901384A
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US2075199A
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US2193485A
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US2466722A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-26 | 1961-11-25 | 1962-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-26 | 1965-11-25 | 1966-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-26 | 1969-11-25 | 1970-05-27 | $7700.00 | Window Closed / Lapsed |