US3496109A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detergent compositions containing polymeric quaternary ammonium salts
Assignee: Procter and Gamble Co
•
Filing: 1966-12-07
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Granted: 1970-02-17
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Expires: 1986-12-07
Abstract
No abstract record available.
Inventors
- 👤 George B Walker
- 👤 Cushman M Cambre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:10
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/37; C11D3/3703; C11D3/3707; C08; C08G; C08G65/00; C08G65/02; C08G65/32; C08G65/329; C08G65/333; C08G65/33303; C08G65/33306; C11D3/48
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
AT213383B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-16 | 1973-08-18 | 1974-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-16 | 1977-08-18 | 1978-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-16 | 1981-08-18 | 1982-02-17 | $7700.00 | Window Closed / Lapsed |