US3501409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detergent-hydrotrope composition
Assignee: Vista Chemical Co
•
Filing: 1967-07-10
•
Granted: 1970-03-17
•
Expires: 1987-07-10
Abstract
No abstract record available.
Inventors
- 👤 Ted P Matson
- 👤 Henry T Watanabe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:09
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/02; C11D1/37; C11D1/38; C11D1/52; C11D1/523; C11D1/65; C11D1/655; C11D3/00; C11D3/16; C11D3/34; C11D3/3409; C11D1/12; C11D1/22; C11D1/29
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3140261A
Cited
US3231504A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-16 | 1973-09-15 | 1974-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-16 | 1977-09-15 | 1978-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-16 | 1981-09-15 | 1982-03-17 | $7700.00 | Window Closed / Lapsed |