US3250663A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing strip
Assignee: Northrop Architectural Systems
•
Filing: 1964-02-07
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Granted: 1966-05-10
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Expires: 1984-02-07
Abstract
No abstract record available.
Inventors
- 👤 Joseph F Sharp
- 👤 Rudolph J Hodal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:52
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/54; E06B3/58; E06B3/62; B; B60; B60J; B60J10/00; B60J10/15; B60J10/70; E06B2003/6217; E06B2003/6229; E06B2003/6238; E06B2003/6244; E06B2003/627; E06B2003/6273; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24273; Y10T428/24322; Y10T428/24331; Y10T428/24339; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2964
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
83 words
AN IMPROVED SEALING DEVICE OF MATRIX CONSTRUCTION COMPRISING: (A) AN ELONGATED BODY MOLDED OF RESILIETN PLASTIC MATERIAL, (B) A SUBSTANTIALLY NON-STRETCHABLE LATERALLY FLEXIBLE CORE IN SAID BODY, AND COEXTENSIVE THEREWITH, SAID CORE BEING CHARACTERIZED BY A PLURALITY OF CONTINUOUS GLASS FILAMENTS ENTWINED AROUND EACH OTHER DEFINING INTERSTICES BETWEEN THE FILAMENTS INTO WHICH THE MATERIAL OF SAID BODY EXTENDS TO INTERLOCK WITH SAID CORE SO THAT RELATIVE SLIPPAGE THEREBETWEEN IS PREVENTED, SAID FILAMETNS BEING PRETREATED TO ENHANCE BONDING WITH THE MATERIAL OF SAID BODY.
References Cited (Backward Citations)
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Cited
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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) | 1969-05-09 | 1969-11-08 | 1970-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-09 | 1973-11-08 | 1974-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-09 | 1977-11-08 | 1978-05-10 | $7700.00 | Window Closed / Lapsed |