Patent US3475111A successfully refreshed from Google Patents.
US3475111A
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US
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Tone-on-tone acid dyeing blended textile of nylon and nylons with small amounts of phthalic acid sulfonic acid,phosphoric or phosphonic acid ester condensed therein and the textile so produced
Assignee: Glanzstoff AG
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Filing: 1965-07-12
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Granted: 1969-10-28
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Expires: 1985-07-12
Abstract
No abstract record available.
Inventors
- 👤 Ernst Meyer
- 👤 Jurgen Lenz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:15
CPC Classifications
D; D06; D06P; D06P3/00; D06P3/02; D06P3/04; D06P3/24; D06P3/241; C; C08; C08G; C08G69/00; C08G69/02; D06P3/82; D06P3/8204; D06P3/8209; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/924
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-27 | 1973-04-28 | 1973-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-27 | 1977-04-28 | 1977-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-27 | 1981-04-28 | 1981-10-28 | $7700.00 | Window Closed / Lapsed |