US3748268A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spot and stain removing composition
Assignee: 3M Co
•
Filing: 1972-03-27
•
Granted: 1973-07-24
•
Expires: 1992-03-27
Abstract
Abstract A STABLE, ONE-PHASE COMPOSITION WHICH IS USEFUL AS A SPOT AND STAIN REMOVER COMPRISING A HYDROCARBON SOLVENT OF LOW VOLATILITY, WATER, SURFACTANT, ORGANIC CO-SOLVENT AND ANTI-SOILING AGENT.
Inventors
- 👤 B Loudas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:47
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/0005; C11D3/0031; C11D17/00; C11D17/0043; C11D3/43
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-07-23 | 1977-01-22 | 1977-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-23 | 1981-01-22 | 1981-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-23 | 1985-01-22 | 1985-07-24 | $7700.00 | Window Closed / Lapsed |