US3508682A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dispensing of detergent blends of predetermined strength
Assignee: Cambridge Research and Development Group
•
Filing: 1967-08-14
•
Granted: 1970-04-28
•
Expires: 1987-08-14
Abstract
No abstract record available.
Inventors
- 👤 Morton Hollis
- 👤 Kenneth N Sherman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:00
CPC Classifications
A; A47; A47L; A47L15/00; A47L15/42; A47L15/44; A47L15/4418; A47K; A47K5/00; A47K5/06; A47K5/12; A47K5/122; B; B65; B65D; B65D81/00; B65D81/32; B65D81/3216; B65D81/3222
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA645813A
Cited
US1629821A
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US1969533A
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GB505875A
Cited
US2566588A
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US2582026A
Cited
US2510269A
Cited
US2663463A
Cited
US2685985A
Cited
US2655407A
Cited
US3152731A
Cited
US3217931A
Cited
US3200995A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-27 | 1973-10-27 | 1974-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-27 | 1977-10-27 | 1978-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-27 | 1981-10-27 | 1982-04-28 | $7700.00 | Window Closed / Lapsed |