US2546534A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Venetian blind
Assignee: Individual
•
Filing: 1950-04-11
•
Granted: 1951-03-27
•
Expires: 1970-04-11
Abstract
No abstract record available.
Inventors
- 👤 Louis J Znidarsic
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:30
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/24; E06B9/26; E06B9/38; E06B9/388; Y; Y10; Y10T; Y10T24/00; Y10T24/39; Y10T24/3996
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1178339A
Cited
US1392480A
Cited
CH129388A
Cited
US1950317A
Cited
US2056036A
Cited
US2086461A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-26 | 1954-09-25 | 1955-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-26 | 1958-09-25 | 1959-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-26 | 1962-09-25 | 1963-03-27 | $7700.00 | Window Closed / Lapsed |