US2851359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Effervescive powders for producing protracted ebullition
Assignee: HENRY BROUT
•
Filing: 1954-03-25
•
Granted: 1958-09-09
•
Expires: 1974-03-25
Abstract
No abstract record available.
Inventors
- 👤 Isaac M Diller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:04
CPC Classifications
A; A23; A23L; A23L2/00; A23L2/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
AN EFFERVESCIVE MATERIAL COMPRISING A CARBONATE FACTOR AND AN ADDITION COMPLEX INCLUDING A HIGHLY SOLUBLE PHOSPHATE PORTION AND A SLOWLY SOLUBLE PHOSPHATE PORTION CONSTITUTING A PHOSPHATE ACID.
Claim 2
Dependent Claim
27 words
AN EFFERVESCIVE MATERIAL COMPRISING A CARBONATE FACTOR AND AN ADDITION COMPLEX INCLUDING A HIGHLY SOLUBLE PHOSPHATE PORTION AND A SLOWLY SOLUBLE PHOSPHATE PORTION CONSTITUTING A PHOSPHATE ACID.
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) | 1961-09-08 | 1962-03-10 | 1962-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-08 | 1966-03-10 | 1966-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-08 | 1970-03-10 | 1970-09-09 | $7700.00 | Window Closed / Lapsed |