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US3485286A
Expired / Lapsed
US
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Venetian blind ladder-cap and assembly
Assignee: Levolor Corp
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Filing: 1968-05-27
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Granted: 1969-12-23
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Expires: 1988-05-27
Abstract
No abstract record available.
Inventors
- 👤 Hans K Lorentzen
- 👤 Leo Abate
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:02
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/24; E06B9/26; E06B9/38; E06B9/388
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2114057A
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US2295051A
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US2421505A
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US2482036A
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US2502028A
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US2570455A
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US2520109A
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US2860699A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-22 | 1973-06-23 | 1973-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-22 | 1977-06-23 | 1977-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-22 | 1981-06-23 | 1981-12-23 | $7700.00 | Window Closed / Lapsed |