US3170505A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Full-closure type venetian blinds
Assignee: Levolor Corp
•
Filing: 1962-12-27
•
Granted: 1965-02-23
•
Expires: 1982-12-27
Abstract
No abstract record available.
Inventors
- 👤 Hans K Lorentzen
- 👤 Joseph A Anderle
- 👤 Jr James J Kapeller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:01
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/24; E06B9/26; E06B9/38; E06B9/384
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
IN A VENETAIN BLIND OF THE FULL-CLOSURE TYPE IN WHICH (A) A PLURALITY OF LADDERS HAVE FRONT AND REAR VERTICAL TAPES THAT ARE INTERCONNECTED BY VERTICALLY-SPACED CROSS TAPES, (B) CROWNED SLATS ARE SUPPORTED BY THE CROSS TAPES, (C) LIFT CORDS DEPEND BETWEEN THE FRONT AND REAR VERTICAL TAPES AND PASS THROUGH ELONGATED TRANSVERSE OPENINGS IN THE SLATS, AND (D) THE REAR EDGES OF THE SLATS ARE FORMED TO MOVE ASTRIDE OF THE LIFT CORDS WHEN THE BLIND IS CLOSED; THE IMPROVEMENT WHICH COMPRISES: THE SLATS HAVING OPENINGS THROUGH WHICH THE CROSS TAPES PASS CLOSE TO BUT SPACED
Claim 2
Dependent Claim
97 words
IN A VENETAIN BLIND OF THE FULL-CLOSURE TYPE IN WHICH (A) A PLURALITY OF LADDERS HAVE FRONT AND REAR VERTICAL TAPES THAT ARE INTERCONNECTED BY VERTICALLY-SPACED CROSS TAPES, (B) CROWNED SLATS ARE SUPPORTED BY THE CROSS TAPES, (C) LIFT CORDS DEPEND BETWEEN THE FRONT AND REAR VERTICAL TAPES AND PASS THROUGH ELONGATED TRANSVERSE OPENINGS IN THE SLATS, AND (D) THE REAR EDGES OF THE SLATS ARE FORMED TO MOVE ASTRIDE OF THE LIFT CORDS WHEN THE BLIND IS CLOSED; THE IMPROVEMENT WHICH COMPRISES: THE SLATS HAVING OPENINGS THROUGH WHICH THE CROSS TAPES PASS CLOSE TO BUT SPACED
References Cited (Backward Citations)
US1815196A
Cited
US2052379A
Cited
US2170938A
Cited
US2276425A
Cited
US2572224A
Cited
US2471710A
Cited
US2537865A
Cited
US2576159A
Cited
US2577227A
Cited
US2573700A
Cited
US2570018A
Cited
US2618330A
Cited
US2646115A
Cited
US2690215A
Cited
US2771946A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |