US3269453A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Venetian blind structure
Assignee: Novelis Corp
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Filing: 1962-10-17
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Granted: 1966-08-30
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Expires: 1982-10-17
Abstract
No abstract record available.
Inventors
- 👤 Vecchiarelli Francis
- 👤 Cornell E Kopsco
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:55
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/24; E06B9/26; E06B9/28; E06B9/30; E06B9/32; E06B9/322
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
192 words
AN ASSEMBLY FOR USE IN VENETIAN BLIND STRUCTURES HAVING A HOUSING WITH A PAIR OF SPACED GENERALLY VERTICAL WALLS DEFINING A DOWNWARDLY FACING OPENING FOR THE VENETIAN BLIND OPERATING MECHANISMS, AND LADDER MEANS FOR SUPPORTING VENETIAN BLIND SLATS, COMPRISING: (A) SNAP-IN MEANS SLIDABLY RETAINED IN SAID HOUSING FOR SUPPORTING AND CONTROLLING SAID LADDER MEANS, INCLUDING (I) A BODY PORTION DEFINING AN INTERIOR CAVITY, A PAIR OF OPPOSED WALLS OF SAID BODY PORTION HAVING LOWER PARALLEL PORTIONS AND UPPER CONVERGING PORTIONS, AND DETENT MEANS ASSOCIATED WITH EACH OF SAID LOWER BODY WALL PORTIONS AND EXTENDING THE LENGTH THEREOF, (II) ROLLER MEANS RETAINED FOR ROTATION WITHIN SAID INTERIOR CAVITY AND CONNECTED TO SAID LADDER MEANS, ROTATION OF SAID ROLLER MEANS BEING ADAPTED TO WIND AND UNWIND OPPOSED SIDES OF SAID LADDER MEANS, THEREBY TO CAUSE SELECTIVE TILTING THEREOF; (B) A PAIR OF INWARDLY DIRECTED FLANGES EXTENDING ALONG OPPOSED LOWER PORTIONS OF SAID HOUSING VERTICAL WALLS, SAID FLANGES BEING PROPORTIONED AND SPACED APART SUFFICIENT TO BE SPREAD APART BY SAID UPPER CONVERGING PORTIONS OF SAID BODY PORTION AND TO ENTER AND BE SLIDABLY RETAINED WITHIN SAID DETENT MEANS IN SAID LOWER PARALLEL BODY WALL PORTIONS.
Claim 2
Dependent Claim
192 words
AN ASSEMBLY FOR USE IN VENETIAN BLIND STRUCTURES HAVING A HOUSING WITH A PAIR OF SPACED GENERALLY VERTICAL WALLS DEFINING A DOWNWARDLY FACING OPENING FOR THE VENETIAN BLIND OPERATING MECHANISMS, AND LADDER MEANS FOR SUPPORTING VENETIAN BLIND SLATS, COMPRISING: (A) SNAP-IN MEANS SLIDABLY RETAINED IN SAID HOUSING FOR SUPPORTING AND CONTROLLING SAID LADDER MEANS, INCLUDING (I) A BODY PORTION DEFINING AN INTERIOR CAVITY, A PAIR OF OPPOSED WALLS OF SAID BODY PORTION HAVING LOWER PARALLEL PORTIONS AND UPPER CONVERGING PORTIONS, AND DETENT MEANS ASSOCIATED WITH EACH OF SAID LOWER BODY WALL PORTIONS AND EXTENDING THE LENGTH THEREOF, (II) ROLLER MEANS RETAINED FOR ROTATION WITHIN SAID INTERIOR CAVITY AND CONNECTED TO SAID LADDER MEANS, ROTATION OF SAID ROLLER MEANS BEING ADAPTED TO WIND AND UNWIND OPPOSED SIDES OF SAID LADDER MEANS, THEREBY TO CAUSE SELECTIVE TILTING THEREOF; (B) A PAIR OF INWARDLY DIRECTED FLANGES EXTENDING ALONG OPPOSED LOWER PORTIONS OF SAID HOUSING VERTICAL WALLS, SAID FLANGES BEING PROPORTIONED AND SPACED APART SUFFICIENT TO BE SPREAD APART BY SAID UPPER CONVERGING PORTIONS OF SAID BODY PORTION AND TO ENTER AND BE SLIDABLY RETAINED WITHIN SAID DETENT MEANS IN SAID LOWER PARALLEL BODY WALL PORTIONS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |