Patent US3129750A successfully refreshed from Google Patents.
US3129750A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Venetian blinds
Assignee: Charles I. Brandin Inc
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Filing: 1962-11-16
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Granted: 1964-04-21
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Expires: 1982-11-16
Abstract
No abstract record available.
Inventors
- 👤 Charles I Brandin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:16
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/24; E06B9/26; E06B9/28; E06B9/30; E06B9/303; E06B9/32; E06B9/322; E06B2009/3222
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A VENETIAN BLIND CONSTRUCTION COMPRISING, A FRAME FOR MOUNTING IN A WINDOW, SAID FRAME CONTAINING A VENETIAN BLIND, CORDS IN SAID BLIND FOR RAISING THE SAME, A CHANNEL PROVIDED IN THE FRAME AROUND ITS PERIMETER, A CONTINUOUS UNINTERRUPTED WIRE LOOP LOCATED IN THE CHANNEL AND MOVABLE LENGTHWISELY IN THE SAME, THE CORDS BEING ATTACHED TO SAID WIRE SO THAT MOVEMENT OF THE WIRE IN ONE DIRECTION WILL RAISE THE CORDS AND CONSEQUENTLY RAISE THE BLIND, A HANDLE PROJECTING OUT OF THE FRAME, SAID HANDLE HAVING MEANS DISPOSED WITHIN THE CHANNEL FOR EITHER GRIPPING THE WIRE OR RELEASING THE SAME SO THAT SAID HANDLE, WHEN ENGAGING THE WIRE, AND MOVED ALONG WITHIN THE CHANNEL WILL MOVE THE WIRE AND CAUSE IT TO ACTUATE THE BLIND-LIFTING CORDS.
Claim 2
Dependent Claim
125 words
A VENETIAN BLIND CONSTRUCTION COMPRISING, A FRAME FOR MOUNTING IN A WINDOW, SAID FRAME CONTAINING A VENETIAN BLIND, CORDS IN SAID BLIND FOR RAISING THE SAME, A CHANNEL PROVIDED IN THE FRAME AROUND ITS PERIMETER, A CONTINUOUS UNINTERRUPTED WIRE LOOP LOCATED IN THE CHANNEL AND MOVABLE LENGTHWISELY IN THE SAME, THE CORDS BEING ATTACHED TO SAID WIRE SO THAT MOVEMENT OF THE WIRE IN ONE DIRECTION WILL RAISE THE CORDS AND CONSEQUENTLY RAISE THE BLIND, A HANDLE PROJECTING OUT OF THE FRAME, SAID HANDLE HAVING MEANS DISPOSED WITHIN THE CHANNEL FOR EITHER GRIPPING THE WIRE OR RELEASING THE SAME SO THAT SAID HANDLE, WHEN ENGAGING THE WIRE, AND MOVED ALONG WITHIN THE CHANNEL WILL MOVE THE WIRE AND CAUSE IT TO ACTUATE THE BLIND-LIFTING CORDS.
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) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |