US3583057A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for attaching flexible covers
Assignee: American Velcro Inc
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Filing: 1969-06-09
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Granted: 1971-06-08
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Expires: 1989-06-09
Abstract
Abstract AN APPARATUS IS DISCLOSED COMPRISING A MANDREL ABOUT WHICH A FLEXIBLE COVER MAY BE ROLLED IN SUCCESSIVE LAYERS. THE COVER IS EQUIPPED ALONG THE EDGES THEREOF WITH A CONTINUOUS FASTENING MEANS SUCH AS ONE PART OF A HOOK AND LOOP TYPE FASTENER STRIP, THE OTHER MATING PORTION BEING AFFIXED TO THE EDGE OF AN OPENING OR, MORE GENERALLY, TO A WALL SURFACE SUCH THAT WHEN THE COVER IS ATTACHED BY MEANS OF THE FASTENER STRIPS AT ONE END, THE MANDREL MAY BE ROTATED TO UNROLL THE COVER INTO FASTENING ENGAGEMENT ABOUT THE OPENING OR TO THE WALL SURFACE.
Inventors
- 👤 Arpad Kolozsvary
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:37
CPC Classifications
B; B44; B44C; B44C7/00; B44C7/02; B44C7/022; Y; Y10; Y10S; Y10S52/00; Y10S52/13; Y10T; Y10T24/00; Y10T24/27; Y10T29/00; Y10T29/49; Y10T29/49815; Y10T29/49822; Y10T29/53; Y10T29/53909; Y10T428/00; Y10T428/24; Y10T428/24008; Y10T428/24017
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-07 | 1974-12-07 | 1975-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-07 | 1978-12-07 | 1979-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-07 | 1982-12-07 | 1983-06-08 | $7700.00 | Window Closed / Lapsed |