US2574047A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phosphate glass
Assignee: Individual
•
Filing: 1950-05-02
•
Granted: 1951-11-06
•
Expires: 1970-05-02
Abstract
No abstract record available.
Inventors
- 👤 Franklin H Mackenzie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:49
CPC Classifications
C; C01; C01B; C01B25/00; C01B25/16; C01B25/26; C01B25/38; C01B25/39; C01B25/395
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
58 words
A LAUNDERING MATERIAL COMPRISING A WATERSOLUBLE SOAP AND BETWEEN ABOUT 10% AND ABOUT 50%, BASED ON THE WEIGHT OF THE SOAP, OF A SODIUM PHOSPHATE IN THE FORM OF A CLEAR, TRANSPARENT, GLASSY, AMORPHOUS SOLID CONTAINING BETWEEN APPROXIMATELY 65% AND APPROXIMATELY 67% OF P2O5, BASED ON THE COMBINED WEIGHT OF SAID P2O5 AND THE OXIDE OF SAID SODIUM.
References Cited (Backward Citations)
US2365190A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-05 | 1955-05-07 | 1955-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-05 | 1959-05-07 | 1959-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-05 | 1963-05-07 | 1963-11-06 | $7700.00 | Window Closed / Lapsed |