US3084018A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shrinkproofing wool with polyurethanes
Assignee: Individual
•
Filing: 1961-03-29
•
Granted: 1963-04-02
•
Expires: 1981-03-29
Abstract
No abstract record available.
Inventors
- 👤 Robert E Whitfield
- 👤 Lowell A Miller
- 👤 William L Wasley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:43
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/564; Y; Y10; Y10S; Y10S8/00; Y10S8/18; Y10S8/916; Y10S8/917
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
25 words
A PROCESS FOR TREATING A FIBROUS MATERIAL WHICH COMPRISES APPLYING SERIALLY TO SAID MATERIAL IN INTERFACIAL RELATIONSHIP, A PAIR OF COMPLEMENTARY DIRECT-ACTING ORGANIC POLYURETHANE-FORMING INTERMEDIATES.
Claim 2
Dependent Claim
25 words
A PROCESS FOR TREATING A FIBROUS MATERIAL WHICH COMPRISES APPLYING SERIALLY TO SAID MATERIAL IN INTERFACIAL RELATIONSHIP, A PAIR OF COMPLEMENTARY DIRECT-ACTING ORGANIC POLYURETHANE-FORMING INTERMEDIATES.
References Cited (Backward Citations)
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US2537064A
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US2565259A
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US2644773A
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US2696448A
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US2684305A
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US2929737A
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US2862836A
Cited
US2866722A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-01 | 1966-10-01 | 1967-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-01 | 1970-10-01 | 1971-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-01 | 1974-10-01 | 1975-04-02 | $7700.00 | Window Closed / Lapsed |