US2618329A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Venetian blind construction
Assignee: LORENTZEN HARDWARE Manufacturing CORP
•
Filing: 1947-10-18
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Granted: 1952-11-18
•
Expires: 1967-10-18
Abstract
No abstract record available.
Inventors
- 👤 Nelson Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:34
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)
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US2391904A
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US2421505A
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US2508742A
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US2573163A
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US2485217A
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US2534080A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-18 | 1956-05-19 | 1956-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-18 | 1960-05-19 | 1960-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-18 | 1964-05-19 | 1964-11-18 | $7700.00 | Window Closed / Lapsed |