US2649151A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Venetian blind
Assignee: Individual
•
Filing: 1948-04-26
•
Granted: 1953-08-18
•
Expires: 1968-04-26
Abstract
No abstract record available.
Inventors
- 👤 Walker Brooks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:15
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/24; E06B9/26; E06B9/28; E06B9/30; E06B9/303; E06B9/305
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2130320A
Cited
US2200349A
Cited
US2155985A
Cited
US2170938A
Cited
US2260726A
Cited
US2397765A
Cited
US2391904A
Cited
US2573163A
Cited
US2523038A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-17 | 1957-02-16 | 1957-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-17 | 1961-02-16 | 1961-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-17 | 1965-02-16 | 1965-08-18 | $7700.00 | Window Closed / Lapsed |