Patent US3258876A successfully refreshed from Google Patents.
US3258876A
Expired / Lapsed
US
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Window sash plastic weatherstrip
Assignee: Cargill Meat Solutions Corp
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Filing: 1963-12-30
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Granted: 1966-07-05
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Expires: 1983-12-30
Abstract
No abstract record available.
Inventors
- 👤 Robert J Deisenroth
- 👤 Carl E Sigsbee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:53
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/34; E06B3/42; E06B3/44; B; B60; B60J; B60J10/00; B60J10/30; B60J10/70; B60J10/74; B60J10/75; E06B2003/4438; E06B2003/4453
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
125 words
A WEATHERSTRIP FOR A SLIDING WINDOW, SAID WEATHERSTRIP HAVING FABRICATED FROM AN ORGANIC POLYMERIC MATERIAL AND HAVING A CROSS-SECTIONAL CONTOUR COMPRISING AN OUTER CHANNEL AND AN INNER CHANNEL, THE OUTER CHANNEL HAVING OUTWARDLY ANGLED RESILIENT SIDE WALL PORTIONS WHICH ARE FLEXIBLE FOR PRESSURE CONTACT WITH THE INTERIOR WALL SURFACES OF A WINDOW FRAME CHANNEL, THE INNER CHANNEL HAVING INWARDLY ANGLED SIDE WALL PORTIONS FOR SUBSTANTIALLY LEAK-FREE CONTACT WITH A SLIDABLE WINDOW SASH, THE FREE ENDS OF THE INWARDLY AND OUTWARDLY ANGLED RESILIENT SIDE WALL PORTIONS BEING GENERALLY PARALLEL TO EACH OTHER AND EXTENDING IN OPPOSITE DIRECTIONS, AND WEBBING INTERCONNECTING ALL OF THE SIDE WALLS TOGETHER ADJACENT ONE END THEREOF, THE REMAINING PORTIONS OF THE SIDE WALLS BEING FREE FOR INDEPENDENT FLEXING OF EACH SIDE WALL.
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) | 1969-07-04 | 1970-01-03 | 1970-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-04 | 1974-01-03 | 1974-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-04 | 1978-01-03 | 1978-07-05 | $7700.00 | Window Closed / Lapsed |