US3725166A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making reversible nonwoven material
Assignee: Phillips Petroleum Co
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Filing: 1970-04-13
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Granted: 1973-04-03
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Expires: 1990-04-13
Abstract
Abstract A REVERSIBLE, NONWOVEN, FIBROUS MATERIAL FORMED OF FIRST AND SECOND DIFFERENT COLORED BATS FORMING SAID MATERIAL WHICH HAS DIFFERENT COLORED FIRST AND SECOND SURFACES AND THE PROCESS FOR MAKING SAID MATERIAL. THE LAYERS TOGETHER.
Inventors
- 👤 Cord D Mc
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:02
CPC Classifications
B; B32; B32B; B32B5/00; B32B5/22; B32B5/24; B32B5/26; D; D04; D04H; D04H1/00; D04H1/40; D04H1/44; D04H1/46; B32B5/02; B32B5/06; B32B2471/00; B32B2471/02; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1039; Y10T156/1043; Y10T156/1044; Y10T156/1052; Y10T156/1084
Claims Analysis
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References Cited (Backward Citations)
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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) | 1976-04-02 | 1976-10-02 | 1977-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-02 | 1980-10-02 | 1981-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-02 | 1984-10-02 | 1985-04-03 | $7700.00 | Window Closed / Lapsed |