US2777944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wall lamp
Assignee: Individual
•
Filing: 1953-11-23
•
Granted: 1957-01-15
•
Expires: 1973-11-23
Abstract
No abstract record available.
Inventors
- 👤 James P Koch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:00
CPC Classifications
F; F21; F21S; F21S8/00; F21S8/04; F21S8/06; F21V; F21V21/00; F21V21/14; F21V21/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US837349A
Cited
GB190805708A
Cited
US1262802A
Cited
US1246533A
Cited
US1662568A
Cited
US1737018A
Cited
GB289644A
Cited
US2231137A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-15 | 1960-07-16 | 1961-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-15 | 1964-07-16 | 1965-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-15 | 1968-07-16 | 1969-01-15 | $7700.00 | Window Closed / Lapsed |