Patent US2521355A successfully refreshed from Google Patents.
US2521355A
Expired / Lapsed
US
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Combination lamp and display stand
Assignee: Individual
•
Filing: 1947-08-20
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Granted: 1950-09-05
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Expires: 1967-08-20
Abstract
No abstract record available.
Inventors
- 👤 Frank P Ford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:22
CPC Classifications
F; F21; F21V; F21V33/00; F21V21/00; F21V21/06; F21V21/10; F21S; F21S6/00; F21S6/002; F21S6/005
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) | 1953-09-04 | 1954-03-06 | 1954-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-04 | 1958-03-06 | 1958-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-04 | 1962-03-06 | 1962-09-05 | $7700.00 | Window Closed / Lapsed |