US3216944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized fabric softener composition
Assignee: Procter and Gamble Co
•
Filing: 1961-09-11
•
Granted: 1965-11-09
•
Expires: 1981-09-11
Abstract
No abstract record available.
Inventors
- 👤 Clair D Fredrickson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:11
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/322; D06M13/402; D06M13/432
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
THE PROCESS OF MAKING A STABLE FABRIC SOFTENER COMPOSITION WHICH COMPRISES DISSOLVING ABOUT 1 TO ABOUT 18 PARTS BY WEIGHT OF A DERIVATIVE OF DIPHENYL UREA SELECTED FROM THE GROUP HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
34 words
THE PROCESS OF MAKING A STABLE FABRIC SOFTENER COMPOSITION WHICH COMPRISES DISSOLVING ABOUT 1 TO ABOUT 18 PARTS BY WEIGHT OF A DERIVATIVE OF DIPHENYL UREA SELECTED FROM THE GROUP HAVING THE GENERAL FORMULA
References Cited (Backward Citations)
US2584056A
Cited
US2746928A
Cited
US2814597A
Cited
US2745874A
Cited
US2728654A
Cited
US2764478A
Cited
US2930760A
Cited
US3134711A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |