Patent US2070009A successfully refreshed from Google Patents.
US3294152A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window screens
Assignee: Individual
•
Filing: 1964-03-27
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Granted: 1966-12-27
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Expires: 1984-03-27
Abstract
No abstract record available.
Inventors
- 👤 Kuijvenhoven Arend Willem
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:51
CPC Classifications
G; G05; G05D; G05D25/00; G05D25/02; E; E05; E05F; E05F15/00; E05F15/70; E05F15/71; E06; E06B; E06B9/00; E06B9/56; E06B9/68; E06B9/70; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/106; E06B2009/6809; E06B2009/6818; E06B2009/6827; Y; Y10; Y10S; Y10S160/00; Y10S160/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
APPARATUS FOR SCREENING A ROOM AGAINST SOLAR RADIATION INCIDENT UPON A SURFACE IN THE ROOM COMPRISING, A WINDOW CURTAIN OF A MATERIAL THAT WALL BOTH REFLECT AND TRANSMIT SOLAR RADIATION, A LIGHT SENSITIVE DEVICE WITHIN THE ROOM, MEANS CONTROLLED BY THE LIGHT SENSITIVE DEVICE FOR MOVING THE CURTAIN TO VARY THE WINDOW AREA COVERED BY THE CURTAIN, SAID LIGHT SENSITIVE DEVICE BEING POSITIONED TO RECEIVE LIGHT OF AN INTENSITY WHICH BEARS A SUBSTANTIALLY CONSTANT RELATIONSHIP TO THE INTENSITY OF THE LIGHT INCIDENT UPON THE SAID SURFACE, THE SAID DEVICE BEING POSITIONED TO RECEIVE AND RESPOND TO BOTH LIGHT PASSING DIRECTLY THROUGH THE WINDOW TO THE SAID SURFACE AND LIGHT PASSING THROUGH THE WINDOW AND THE CURTAIN MATERIAL TO THE SAID SURFACE.
Claim 2
Dependent Claim
121 words
APPARATUS FOR SCREENING A ROOM AGAINST SOLAR RADIATION INCIDENT UPON A SURFACE IN THE ROOM COMPRISING, A WINDOW CURTAIN OF A MATERIAL THAT WALL BOTH REFLECT AND TRANSMIT SOLAR RADIATION, A LIGHT SENSITIVE DEVICE WITHIN THE ROOM, MEANS CONTROLLED BY THE LIGHT SENSITIVE DEVICE FOR MOVING THE CURTAIN TO VARY THE WINDOW AREA COVERED BY THE CURTAIN, SAID LIGHT SENSITIVE DEVICE BEING POSITIONED TO RECEIVE LIGHT OF AN INTENSITY WHICH BEARS A SUBSTANTIALLY CONSTANT RELATIONSHIP TO THE INTENSITY OF THE LIGHT INCIDENT UPON THE SAID SURFACE, THE SAID DEVICE BEING POSITIONED TO RECEIVE AND RESPOND TO BOTH LIGHT PASSING DIRECTLY THROUGH THE WINDOW TO THE SAID SURFACE AND LIGHT PASSING THROUGH THE WINDOW AND THE CURTAIN MATERIAL TO THE SAID SURFACE.
References Cited (Backward Citations)
US1739005A
Cited
US2050737A
Cited
US2083726A
Cited
US2774421A
Cited
US2437323A
Cited
US2673935A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |