US3512915A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dyeing textile with a dye solution containing a copolymer of an alkyl siloxane and a polyaminoalkylsiloxane having at least 3 carbons in the alkyl chain
Assignee: Dow Silicones Corp
•
Filing: 1960-05-13
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Granted: 1970-05-19
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Expires: 1980-05-13
Abstract
No abstract record available.
Inventors
- 👤 John L Speier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:25
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/44; D06P1/64; D06P1/642; D06M; D06M13/00; D06M13/50; D06M13/51; D06M13/513; D06P1/52; D06P1/5264; D06P1/5292; D06P1/645; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/921; Y10S8/922; Y10S8/924; Y10S8/927; Y10S8/928
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2436304A
Cited
US2754311A
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US2832754A
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US2865918A
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BE553033A
Cited
US2927839A
Cited
US2971864A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-18 | 1973-11-17 | 1974-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-18 | 1977-11-17 | 1978-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-18 | 1981-11-17 | 1982-05-19 | $7700.00 | Window Closed / Lapsed |