Patent US3660150A successfully refreshed from Google Patents.
US3660150A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coated woven materials
Assignee: Imperial Chemical Industries Ltd
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Filing: 1970-05-21
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Granted: 1972-05-02
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Expires: 1990-05-21
Abstract
Abstract A web of woven tapes of crystalline polyolefines coated with a blend containing at least 10 percent by weight of a crystalline polyolefine.
Inventors
- 👤 Michael Lakin Cooper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:55
CPC Classifications
B; B32; B32B; B32B27/00; D; D06; D06N; D06N3/00; D06N3/0086; D06N3/0088; D06N3/04; D06N3/045; D06N2201/00; D06N2201/02; D06N2201/0254; D06N2201/12; D06N2209/00; D06N2209/12; D06N2209/121; D06N2209/125; D06N2209/126; D06N2209/128; Y; Y10; Y10S; Y10S383/00; Y10S383/908; Y10T; Y10T428/00; Y10T428/13; Y10T428/1352; Y10T428/1362; Y10T428/1366; Y10T428/31504; Y10T428/31855; Y10T428/31909; Y10T428/31913; Y10T442/00; Y10T442/20; Y10T442/2221
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
17 words
A Laminated web according to claim 1 in which the tapes are uniaxially oriented along their axis.
Claim 2
Dependent Claim
14 words
A laminated web according to claim 1 in which the crystalline polyolefine is polypropylene.
Claim 3
Dependent Claim
16 words
A laminated web according to claim 1 in which the crystalline polyolefine is high density polyethylene.
Claim 4
Dependent Claim
10 words
Sacks whenever made from a laminated web according to claim
References Cited (Backward Citations)
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US3445055A
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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) | 1975-05-02 | 1975-11-01 | 1976-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-02 | 1979-11-01 | 1980-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-02 | 1983-11-01 | 1984-05-02 | $7700.00 | Window Closed / Lapsed |