US3520818A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Abrasive liquid detergent compositions
Assignee: Procter and Gamble Co
•
Filing: 1966-12-20
•
Granted: 1970-07-21
•
Expires: 1986-12-20
Abstract
No abstract record available.
Inventors
- 👤 Cushman Merlin Cambre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:20
CPC Classifications
B; B21; B21D; B21D39/00; B21D39/06; C; C11; C11D; C11D1/00; C11D1/88; C11D1/92; C11D1/02; C11D1/12; C11D1/22; C11D10/00; C11D10/04; C11D17/00; C11D17/0008; C11D17/0013; C11D3/00; C11D3/0005; C11D3/0047; C11D3/02; C11D3/04; C11D3/046; C11D3/06; C11D3/12; C11D3/14; C11D3/16; C11D3/37; C11D3/3746; C11D3/3757; C11D3/3765; C11D3/395; C11D3/3955; C11D3/3958; C11D7/00; C11D7/02; C11D7/20; C11D9/00; C11D9/002; C11D9/02; D; D06; D06B; D06B23/00; D06B23/04; D06B23/042; H; H05; H05K; H05K13/00; H05K13/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3149078A
Cited
US3346504A
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US3346873A
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US3328309A
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US3324038A
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US3351557A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-20 | 1974-01-19 | 1974-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-20 | 1978-01-19 | 1978-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-20 | 1982-01-19 | 1982-07-21 | $7700.00 | Window Closed / Lapsed |