US2980567A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Louvered screen and method of making the same
Assignee: Individual
•
Filing: 1958-06-06
•
Granted: 1961-04-18
•
Expires: 1978-06-06
Abstract
No abstract record available.
Inventors
- 👤 John F Steel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:27
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/24; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24132
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A LOUVERED SCREEN COMPRISING A TRANSPARENT SHEET OF SYNTHETIC RESINOUS MATERIAL AND A PLURALITY OF SPACED PARALLEL LOUVERS EMBEDDED IN SAID SHEET, SAID LOUVERS BEING SLAT SHAPED WITH THEIR SIDES EXTENDING ACROSS THE PLANE OF SAID SHEET LEAVING TRANSPARENT PASSAGES THROUGH SAID SHEET BETWEEN SAID LOUVERS, EACH OF SAID LOUVERS BEING COMPOSED OF A SUBSTANTIAL NUMBER OF STRIPS OF OPAQUE MATERIAL DISPOSED PARALLEL TO THE PLANE OF SAID SHEET AND CLOSELY SPACED FROM EACH OTHER ACROSS THE ENTIRE WIDTH OF THE LOUVER, THE SIDES OF SAID SLAT SHAPED LOUVERS BEING DEFINED BY THE EDGES OF SAID STRIPS, EACH OF SAID LOUVERS BECAUSE OF THE WIDTH AND CLOSE SPACING OF SAID STRIPS BEING SUBSTANTIALLY OPAQUE OVER ITS ENTIRE WIDTH TO THE PASSAGE OF LIGHT THROUGH SAID SHEET ALONG LINES INCLINED RELATIVE TO SAID PASSAGES SO AS TO INTERSECT SAID LOUVER.
Claim 2
Dependent Claim
139 words
A LOUVERED SCREEN COMPRISING A TRANSPARENT SHEET OF SYNTHETIC RESINOUS MATERIAL AND A PLURALITY OF SPACED PARALLEL LOUVERS EMBEDDED IN SAID SHEET, SAID LOUVERS BEING SLAT SHAPED WITH THEIR SIDES EXTENDING ACROSS THE PLANE OF SAID SHEET LEAVING TRANSPARENT PASSAGES THROUGH SAID SHEET BETWEEN SAID LOUVERS, EACH OF SAID LOUVERS BEING COMPOSED OF A SUBSTANTIAL NUMBER OF STRIPS OF OPAQUE MATERIAL DISPOSED PARALLEL TO THE PLANE OF SAID SHEET AND CLOSELY SPACED FROM EACH OTHER ACROSS THE ENTIRE WIDTH OF THE LOUVER, THE SIDES OF SAID SLAT SHAPED LOUVERS BEING DEFINED BY THE EDGES OF SAID STRIPS, EACH OF SAID LOUVERS BECAUSE OF THE WIDTH AND CLOSE SPACING OF SAID STRIPS BEING SUBSTANTIALLY OPAQUE OVER ITS ENTIRE WIDTH TO THE PASSAGE OF LIGHT THROUGH SAID SHEET ALONG LINES INCLINED RELATIVE TO SAID PASSAGES SO AS TO INTERSECT SAID LOUVER.
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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) | 1964-04-17 | 1964-10-17 | 1965-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-17 | 1968-10-17 | 1969-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-17 | 1972-10-17 | 1973-04-18 | $7700.00 | Window Closed / Lapsed |