US3040022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bleach fast reactive dyes
Assignee: EIDP Inc
•
Filing: 1958-11-07
•
Granted: 1962-06-19
•
Expires: 1978-11-07
Abstract
No abstract record available.
Inventors
- 👤 Roy E Starn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:11
CPC Classifications
C; C07; C07D; C07D249/00; C07D249/16; C07D249/22; C09; C09B; C09B62/00; C09B62/02; C09B62/04; C09B62/08; C09B62/085
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
References Cited (Backward Citations)
US1667312A
Cited
US2493975A
Cited
US2795577A
Cited
US2860129A
Cited
US2873269A
Cited
US2951071A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-18 | 1965-12-18 | 1966-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-18 | 1969-12-18 | 1970-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-18 | 1973-12-18 | 1974-06-19 | $7700.00 | Window Closed / Lapsed |