US3528922A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel surfactant combination in a solvent degreasing self-emulsifying cleaning composition
Assignee: United States Department of the Army
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Filing: 1967-07-27
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Granted: 1970-09-15
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Expires: 1987-07-27
Abstract
No abstract record available.
Inventors
- 👤 Robert E Wagner Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:49
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/395; C11D3/3955; C11D17/00; C11D17/0039; C11D17/04; C11D17/041; C11D17/042; C11D17/044; C11D3/3953; C11D3/43; C11D9/00; C11D9/002; D; D06; D06L; D06L4/00; D06L4/20; D06L4/27
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-14 | 1974-03-16 | 1974-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-14 | 1978-03-16 | 1978-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-14 | 1982-03-16 | 1982-09-15 | $7700.00 | Window Closed / Lapsed |