US2629434A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Venetian blind supporting and actuating structure
Assignee: LORENTZEN HARDWARE Manufacturing CORP
•
Filing: 1947-10-04
•
Granted: 1953-02-24
•
Expires: 1967-10-04
Abstract
No abstract record available.
Inventors
- 👤 Nelson Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:24
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/24; E06B9/26; E06B9/28; E06B9/30; E06B9/303; E06B9/305
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1973933A
Cited
US2010286A
Cited
US2038776A
Cited
US2090239A
Cited
US2180311A
Cited
US2207517A
Cited
US2247321A
Cited
US2262949A
Cited
US2223633A
Cited
US2267160A
Cited
US2298538A
Cited
US2435838A
Cited
US2465246A
Cited
US2455135A
Cited
US2410549A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-24 | 1956-08-25 | 1957-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-24 | 1960-08-25 | 1961-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-24 | 1964-08-25 | 1965-02-24 | $7700.00 | Window Closed / Lapsed |