US2498079A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tilting mechanism for venetian blinds
Assignee: Hunter Douglas Inc
•
Filing: 1945-03-24
•
Granted: 1950-02-21
•
Expires: 1965-03-24
Abstract
No abstract record available.
Inventors
- 👤 Joseph L Hunter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:21
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/24; E06B9/26; E06B9/28; E06B9/30; E06B9/303; E06B9/307; E06B2009/285
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2233294A
Cited
US2108939A
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US2201670A
Cited
US2276438A
Cited
US2223404A
Cited
US2372601A
Cited
US2269213A
Cited
US2376813A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-20 | 1953-08-22 | 1954-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-20 | 1957-08-22 | 1958-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-20 | 1961-08-22 | 1962-02-21 | $7700.00 | Window Closed / Lapsed |