Patent US4647488B1 successfully refreshed from Google Patents.
US4647488B1
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Method and apparatus for mounting and sealing honeycomb insulation
Assignee: Hunter Douglas NV
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Filing: 1984-08-07
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Granted: 1994-12-27
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Expires: 2004-08-07
Abstract
Abstract An expandable honeycomb insulation (10) and a method of sealing it, the structure comprising a plurality of elongate parallel hollow cell structures (210) linked together into a panel (16) with the lateral edges of said panel formed of open ends of said cell structures, an elongated seal strip (22, 32) being positioned along each lateral edge of said panel (16), in such a manner that the seal strip (22, 32) closes and seals the open ends of said cell structures (210) while allowing said panel to slide upward and downward in relation to said seal strips (22, 32), said seal strips (22, 32) being biased against the respective lateral edges of said panel (16).
Inventors
- 👤 John T Schnebly
- 👤 Richard S Steele
- 👤 Wendell B Colson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:23
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/24; E06B9/26; E06B9/28; E06B9/30; E06B9/32; E06B9/327; E06B9/262; E06B9/56; E06B9/68; E06B2009/2627; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1003; Y10T24/00; Y10T24/44; Y10T24/44034; Y10T24/44043; Y10T24/4406; Y10T428/00; Y10T428/24; Y10T428/24149; Y10T428/24744
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) | 1997-12-26 | 1998-06-27 | 1998-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-12-26 | 2002-06-27 | 2002-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-12-26 | 2006-06-27 | 2006-12-27 | $7700.00 | Window Closed / Lapsed |