Patent US1612531A successfully refreshed from Google Patents.
Patent US3697423A successfully refreshed from Google Patents.
US3697423A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wash cycle softener
Assignee: Colgate Palmolive Co
•
Filing: 1971-07-21
•
Granted: 1972-10-10
•
Expires: 1991-07-21
Abstract
Abstract WASHING AND SOFTENING OF FABRICS BY INCLUDING, WITH THE DETERGENT, AN N-2-HYDROXY HIGHER ALKYL AMINE.
Inventors
- 👤 Bjorn Sundby
- 👤 Harold Eugene Wixon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:59
CPC Classifications
C; C08; C08G; C08G65/00; C08G65/02; C08G65/32; C11; C11D; C11D1/00; C11D1/38; C11D1/40; C11D3/00; C11D3/0005; C11D3/001; D; D06; D06M; D06M13/00; D06M13/322; D06M13/368
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-10-10 | 1976-04-10 | 1976-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-10 | 1980-04-10 | 1980-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-10 | 1984-04-10 | 1984-10-10 | $7700.00 | Window Closed / Lapsed |