US3450637A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detergent containing hydroxy alkyl amine oxide
Assignee: Procter and Gamble Co
•
Filing: 1968-05-03
•
Granted: 1969-06-17
•
Expires: 1988-05-03
Abstract
No abstract record available.
Inventors
- 👤 Howard F Drew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:21
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/66; C11D1/75; C11D17/00; C11D17/0047; C11D17/006; C11D3/00; C11D3/02; C11D3/04; C11D3/06; C11D3/16; C11D3/26; C11D3/33
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2169976A
Cited
US3047579A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-16 | 1972-12-16 | 1973-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-16 | 1976-12-16 | 1977-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-16 | 1980-12-16 | 1981-06-17 | $7700.00 | Window Closed / Lapsed |