US3216946A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleaning and detergent compositions
Assignee: Individual
•
Filing: 1961-12-01
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Granted: 1965-11-09
•
Expires: 1981-12-01
Abstract
No abstract record available.
Inventors
- 👤 Curtin Leo Vincent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:05
CPC Classifications
C; C11; C11D; C11D11/00; C11D11/0082; C11D17/00; C11D17/0034; C11D3/00; C11D3/02; C11D3/04; C11D3/10; C11D7/00; C11D7/02; C11D7/04; C11D7/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A FREE-FLOWING AND SUBSTANTIALLY DUSTLESS CLEANING COMPOSITION CONSISTING OF SODIUM CARBONATE IN THE FORM OF POROUS GRANULES HAVING ABSORBED CHEIFLY WITHIN THEIR CAPILLARY STRUCTURES FROM ABOUT 5 TO ABOUT 50 PARTS BY WEIGHT OF A 40% AQUEOUS SOLUTION OF SODIUM HYDROXIDE PER 100 PARTS BY WEIGHT OF UNTREATED GRANULES, SAID CLEANING COMPOSITION, WHEN DISSOLVED IN WATER, HAVING A HIGHER ALKALINITY THAN A SODIUM CARBONATE SOLUTION AND BEING AN EFFICIENT CLEANER.
Claim 2
Dependent Claim
70 words
A FREE-FLOWING AND SUBSTANTIALLY DUSTLESS CLEANING COMPOSITION CONSISTING OF SODIUM CARBONATE IN THE FORM OF POROUS GRANULES HAVING ABSORBED CHEIFLY WITHIN THEIR CAPILLARY STRUCTURES FROM ABOUT 5 TO ABOUT 50 PARTS BY WEIGHT OF A 40% AQUEOUS SOLUTION OF SODIUM HYDROXIDE PER 100 PARTS BY WEIGHT OF UNTREATED GRANULES, SAID CLEANING COMPOSITION, WHEN DISSOLVED IN WATER, HAVING A HIGHER ALKALINITY THAN A SODIUM CARBONATE SOLUTION AND BEING AN EFFICIENT CLEANER.
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) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |