US3384147A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrically adjustable venetian blind structure
Assignee: Individual
•
Filing: 1966-04-13
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Granted: 1968-05-21
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Expires: 1986-04-13
Abstract
No abstract record available.
Inventors
- 👤 Richard D Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:54
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/24; E06B9/26; E06B9/28; E06B9/264; E06B9/30; E06B9/302
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
AN ELECTRICALLY ADJUSTABLE SHUTTER-LIKE STRUCTURE COMPRISING A PLURALITY OF SLAT ELEMENTS, SUBSTANTIALLY RIGID MEANS FOR MOUNTING SAID ELEMENTS FOR MOVEMENT, AND MEANS FOR APPLYING AN ELECTRICAL FORCE FIELD DIRECTLY TO SAID ELEMENTS FOR SELECTIVELY POSITIONING SAID ELEMENTS, SAID LAST NAMED MEANS COMPRISING TWO ORTHOGONALLY ORIENTED BOX-LIKE COIL CONFIGURATIONS WHICH TOGETHER COMPLETELY SURROUND SAID SLAT ELEMENTS AND SAID SUBSTANTIALLY RIGID MEANS.
Claim 2
Dependent Claim
60 words
AN ELECTRICALLY ADJUSTABLE SHUTTER-LIKE STRUCTURE COMPRISING A PLURALITY OF SLAT ELEMENTS, SUBSTANTIALLY RIGID MEANS FOR MOUNTING SAID ELEMENTS FOR MOVEMENT, AND MEANS FOR APPLYING AN ELECTRICAL FORCE FIELD DIRECTLY TO SAID ELEMENTS FOR SELECTIVELY POSITIONING SAID ELEMENTS, SAID LAST NAMED MEANS COMPRISING TWO ORTHOGONALLY ORIENTED BOX-LIKE COIL CONFIGURATIONS WHICH TOGETHER COMPLETELY SURROUND SAID SLAT ELEMENTS AND SAID SUBSTANTIALLY RIGID MEANS.
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) | 1971-05-21 | 1971-11-20 | 1972-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-21 | 1975-11-20 | 1976-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-21 | 1979-11-20 | 1980-05-21 | $7700.00 | Window Closed / Lapsed |