US3049443A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of dyeing synthetic fibers with o-hydroxybenzophenones
Assignee: Wyeth Holdings LLC
•
Filing: 1959-01-07
•
Granted: 1962-08-14
•
Expires: 1979-01-07
Abstract
No abstract record available.
Inventors
- 👤 Ralph A Coleman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:36
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/10; D06M13/152; D06M13/12; D06M13/127; Y; Y10; Y10S; Y10S8/00; Y10S8/908; Y10S8/92; Y10S8/921; Y10S8/922; Y10S8/924; Y10S8/927
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
A PROCESS OF APPLYING ULTRAVIOLET LIGHT ABSORBING MATERIALS OF THE STRUCTURE:
Claim 2
Dependent Claim
11 words
A PROCESS OF APPLYING ULTRAVIOLET LIGHT ABSORBING MATERIALS OF THE STRUCTURE:
References Cited (Backward Citations)
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US2693492A
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US2364112A
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US2546168A
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US2682559A
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US2853521A
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US2989416A
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US2920978A
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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) | 1965-08-13 | 1966-02-12 | 1966-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-13 | 1970-02-12 | 1970-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-13 | 1974-02-12 | 1974-08-14 | $7700.00 | Window Closed / Lapsed |