US3271319A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water stain remover
Assignee: Individual
•
Filing: 1963-01-09
•
Granted: 1966-09-06
•
Expires: 1983-01-09
Abstract
No abstract record available.
Inventors
- 👤 Carl H B Morrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:03
CPC Classifications
C; C11; C11D; C11D7/00; C11D7/02; C11D7/04; C11D7/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A FLUID WATER STAIN REMOVER HAVING A SAYBOLT UNIVERSAL VISCOSITY OF ABOUT 200 TO 1500 SECONDS AT 100*F. SUITABLE FOR APPLICATION TO GLASS AND GLAZED SURFACES SPOTTED BY THE ACTION OF WATER DROPLETS, WHICH COMPRISES THE FOLLOWING INGREDIENTS IN SOLUTION: PERCENT HYDROFLUORIC ACID 8 CARBOXY METHYL CELLULOSE 0.8 SODIUM OCTYL SULFATE 0.2 WATER 91
Claim 2
Dependent Claim
54 words
A FLUID WATER STAIN REMOVER HAVING A SAYBOLT UNIVERSAL VISCOSITY OF ABOUT 200 TO 1500 SECONDS AT 100*F. SUITABLE FOR APPLICATION TO GLASS AND GLAZED SURFACES SPOTTED BY THE ACTION OF WATER DROPLETS, WHICH COMPRISES THE FOLLOWING INGREDIENTS IN SOLUTION: PERCENT HYDROFLUORIC ACID 8 CARBOXY METHYL CELLULOSE 0.8 SODIUM OCTYL SULFATE 0.2 WATER 91
References Cited (Backward Citations)
GB697290A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |