US2623581A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Venetian blind bar organization
Assignee: LORENTZEN HARDWARE Manufacturing CORP
•
Filing: 1948-08-30
•
Granted: 1952-12-30
•
Expires: 1968-08-30
Abstract
No abstract record available.
Inventors
- 👤 Nelson Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:35
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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US667567A
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US1668953A
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US2105082A
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US2079852A
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US2114057A
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US2111980A
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US2161414A
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US2123366A
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US2158826A
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US2260726A
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US2405255A
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US2573163A
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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) | 1955-12-30 | 1956-06-30 | 1956-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-30 | 1960-06-30 | 1960-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-30 | 1964-06-30 | 1964-12-30 | $7700.00 | Window Closed / Lapsed |