US2534080A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Venetian blind mechanism
Assignee: Carey-Mcfall Co
•
Filing: 1946-07-08
•
Granted: 1950-12-12
•
Expires: 1966-07-08
Abstract
No abstract record available.
Inventors
- 👤 Walter J Stuber
- 👤 Ienno John J Di
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:18
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/24; E06B9/26; E06B9/28; E06B9/30; E06B9/303; E06B9/305; Y; Y10; Y10T; Y10T24/00; Y10T24/39; Y10T24/3936; Y10T24/394
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2172657A
Cited
US1957272A
Cited
US2135795A
Cited
US2155945A
Cited
US2141502A
Cited
US2220796A
Cited
US2334132A
Cited
US2465246A
Cited
US2455135A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-11 | 1954-06-12 | 1954-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-11 | 1958-06-12 | 1958-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-11 | 1962-06-12 | 1962-12-12 | $7700.00 | Window Closed / Lapsed |