Patent US2480993A successfully refreshed from Google Patents.
US2480993A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Venetian blind
Assignee: Individual
•
Filing: 1946-08-08
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Granted: 1949-09-06
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Expires: 1966-08-08
Abstract
No abstract record available.
Inventors
- 👤 Adler Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:47
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)
US1865935A
Cited
US2057608A
Cited
US2054241A
Cited
US2123817A
Cited
US2166301A
Cited
US2290634A
Cited
US2334132A
Cited
US2376990A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-05 | 1953-03-07 | 1953-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-05 | 1957-03-07 | 1957-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-05 | 1961-03-07 | 1961-09-06 | $7700.00 | Window Closed / Lapsed |