US3439066A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dyeable polypropylene fibers containing copolymers of acrylamides
Assignee: UNIROYAL HOLDING Inc WORLD HEADQUARTERS MIDDLEBURY CONNECTICUT 06749 A CORP OF NEW JERSEY
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Filing: 1966-04-18
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Granted: 1969-04-15
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Expires: 1986-04-18
Abstract
No abstract record available.
Inventors
- 👤 Harry W Coover Jr
- 👤 Frederick B Joyner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:10
CPC Classifications
C; C08; C08F; C08F36/00; C08F36/02; C08F36/04; C08L; C08L23/00; C08L23/02; C08L23/10; C08L39/00; C08L39/04; C08L39/08; D; D01; D01F; D01F6/00; D01F6/44; D01F6/46; C08L33/00; C08L33/04; C08L33/06; C08L33/08; C08L33/10; C08L33/12; C08L33/18; C08L33/24; C08L33/26; Y; Y10; Y10S; Y10S525/00; Y10S525/916
Claims Analysis
Total Claims: 0
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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) | 1972-04-14 | 1972-10-14 | 1973-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-14 | 1976-10-14 | 1977-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-14 | 1980-10-14 | 1981-04-15 | $7700.00 | Window Closed / Lapsed |