Patent US3168802A successfully refreshed from Google Patents.
US3168802A
Expired / Lapsed
US
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Synthetic paper yarn
Assignee: Wyeth Holdings LLC
•
Filing: 1962-11-27
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Granted: 1965-02-09
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Expires: 1982-11-27
Abstract
No abstract record available.
Inventors
- 👤 William F Linke
- 👤 Walter F Reynolds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:51
CPC Classifications
D; D02; D02G; D02G3/00; D02G3/02; Y; Y10; Y10S; Y10S264/00; Y10S264/47
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1969095A
Cited
US2336100A
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US2363457A
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US2493559A
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US2871652A
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US2960725A
Cited
US2918784A
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US3047455A
Cited
US3098786A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-09 | 1968-08-10 | 1969-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-09 | 1972-08-10 | 1973-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-09 | 1976-08-10 | 1977-02-09 | $7700.00 | Window Closed / Lapsed |