Patent US3280891A successfully refreshed from Google Patents.
US3280891A
Expired / Lapsed
US
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Vertical venetian blind traverse apparatus
Assignee: Graber Industries Inc
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Filing: 1964-03-18
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Granted: 1966-10-25
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Expires: 1984-03-18
Abstract
No abstract record available.
Inventors
- 👤 Jr Richard J Eldredge
- 👤 Clarence M Kirtley
- 👤 Gerald M Grusin
- 👤 James E Logan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:32
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/24; E06B9/26; E06B9/36; E06B9/367; E06B9/361; Y; Y10; Y10S; Y10S160/00; Y10S160/90; Y10S160/901
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
76 words
IN A VERTICAL BLIND, MEANS FOR ROTATING A SHAFT COMPRISING IN COMBINATION: BRACKET MEANS HAVING AN UPSTANDING PORTION; AN ELONGATED ROD ONE END OF WHICH IS ROTATABLY SUPPORTED IN SAID UPSTANDING PORTION AND THE OTHER END OF WHICH IS DRIVEABLY ENGAGEABLE WITH THE SHAFT; DRIVEN MEANS CONCENTRIC WITH AND ROTATABLY MOUNTED ON SAID ROD; MEANS SECURED TO AND ROTATABLE WITH SAID DRIVEN MEANS AND INCLUDING A CAM ECCENTRIC AS TO THE LONGITUDINAL AXIS OF SAID ROD;
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |