US3337553A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vat dyestuffs containing anthraquinone nuclei
Assignee: BASF Schweiz AG
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Filing: 1964-01-14
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Granted: 1967-08-22
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Expires: 1984-01-14
Abstract
No abstract record available.
Inventors
- 👤 Altermatt Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:49
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/38; C; C07; C07C; C07C243/00; C09; C09B; C09B1/00; C09B1/16; C09B1/20; C09B1/36; C09B1/42; C09B1/43; C09B1/46; C09B1/467; C09B1/48; C09B1/50; C09B1/54; C09B1/547; C09B1/56; C09B1/58; C09B1/585; C09B3/00; C09B3/60; C09B3/64; C09B3/68; C09B43/00; C09B43/32; C09B43/36; C09B49/00; C09B5/00; C09B5/02; C09B5/10; C09B5/14; C09B5/24; C09B5/26; C09B5/28; C09B5/34; C09B5/36; C09B5/62; C09B56/00; C09B56/12; C09B57/00; C09B57/12; C09B6/00; C09B62/00; C09B62/002; C09B62/004; C09B62/006; C09B62/0068; C09B62/02; C09B62/022; C09B62/024; C09B62/04; C09B62/06; C09B62/44; C09B62/4401; C09B62/4403; C09B62/4409; C09B62/4422; C09B9/00; Y; Y10; Y10S; Y10S8/00; Y10S8/916; Y10S8/918
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
A VAT DYESTUFF OF THE FORMULA
Claim 2
Dependent Claim
6 words
A VAT DYESTUFF OF THE FORMULA
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) | 1970-08-21 | 1971-02-20 | 1971-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-21 | 1975-02-20 | 1975-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-21 | 1979-02-20 | 1979-08-22 | $7700.00 | Window Closed / Lapsed |