US2593272A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lamp shade having shade material secured to frame by means of stiff but flexible strips
Assignee: Individual
•
Filing: 1947-07-31
•
Granted: 1952-04-15
•
Expires: 1967-07-31
Abstract
No abstract record available.
Inventors
- 👤 Benjamin J Cohon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:31
CPC Classifications
F; F21; F21V; F21V1/00; F21V1/26; Y; Y10; Y10S; Y10S273/00; Y10S273/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1729273A
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US1989931A
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US2224340A
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US2316568A
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US2437292A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-15 | 1955-10-15 | 1956-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-15 | 1959-10-15 | 1960-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-15 | 1963-10-15 | 1964-04-15 | $7700.00 | Window Closed / Lapsed |