US4232489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Skeletal frame structure with sheet material cover
Assignee: Royal Mark Laminates
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Filing: 1979-06-28
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Granted: 1980-11-11
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Expires: 1999-06-28
Abstract
Abstract In a skeletal frame structure having a flexible sheet material cover, such as a greenhouse or the like, a protective tape applied to the frame below the cover to protect it from damage, the tape being characterized by a laminate of insulating plastic foam and a facing layer of silicone-coated kraft paper engageable by the cover.
Inventors
- 👤 Edward J. Corvington
- 👤 Elmer J. Sitter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:28
CPC Classifications
B; B32; B32B; B32B29/00; B32B29/002; B32B29/007; A; A01; A01G; A01G9/00; A01G9/14; A01G9/1438; B32B27/00; B32B27/06; B32B27/10; E; E04; E04H; E04H15/00; E04H15/32; E04H15/54; B32B2255/00; B32B2255/20; B32B2266/00; B32B2266/02; B32B2266/0214; B32B2266/025; B32B2317/00; B32B2317/12; B32B2317/122; B32B2405/00; Y; Y02; Y02A; Y02A40/00; Y02A40/10; Y02A40/25; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249982; Y10T428/249983; Y10T428/28; Y10T428/2848
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
52 words
In a skeletal frame structure including a framework and a flexible cover, the improvement characterized by a protective tape applied to the framework beneath the cover, said tape comprising a laminate of plastic foam and a facing layer of silicone-coated kraft paper, said facing layer being exposed for contact by the cover.
Claim 2
Dependent Claim
52 words
In a skeletal frame structure including a framework and a flexible cover, the improvement characterized by a protective tape applied to the framework beneath the cover, said tape comprising a laminate of plastic foam and a facing layer of silicone-coated kraft paper, said facing layer being exposed for contact by the cover.
Claim 3
Dependent Claim
17 words
The improvement as claimed in claim 1 including an adhesive coating securing said tape to said framework.
Claim 4
Dependent Claim
61 words
In a skeletal frame structure including a framework and a flexible sheet material cover, the improvement characterized by a protective tape applied to the framework beneath the cover, said tape comprising a laminate of polypropylene foam and a facing layer of silicone-coated kraft paper engageable by the cover, and an adhesive coating on said foam securing said tape to the framework.
Claim 5
Dependent Claim
61 words
In a skeletal frame structure including a framework and a flexible sheet material cover, the improvement characterized by a protective tape applied to the framework beneath the cover, said tape comprising a laminate of polypropylene foam and a facing layer of silicone-coated kraft paper engageable by the cover, and an adhesive coating on said foam securing said tape to the framework.
Claim 6
Dependent Claim
17 words
Skeletal frame tape comprising a laminate of plastic foam and a facing layer of silicone-coated kraft paper.
Claim 7
Dependent Claim
17 words
Skeletal frame tape comprising a laminate of plastic foam and a facing layer of silicone-coated kraft paper.
Claim 8
Dependent Claim
14 words
A tape as claimed in claim 4 wherein said plastic foam is foamed polypropylene.
Claim 9
Dependent Claim
15 words
A tape as claimed in claim 4 or claim 5 including an exposed adhesive coating.
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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) | 1983-11-11 | 1984-05-12 | 1984-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-11-11 | 1988-05-12 | 1988-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-11-11 | 1992-05-12 | 1992-11-11 | $7700.00 | Window Closed / Lapsed |