US2673841A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleaning preparation and method of
Assignee: —
•
Filing: —
•
Granted: 1954-03-30
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Expires: 1971-03-30
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:44
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/02; C11D3/04; C11D3/046; C11D17/00; C11D17/0047; C11D17/04; C11D17/041; C11D3/0005; C11D3/0052; C11D7/00; C11D7/02; C11D7/04; C11D7/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A CLEANING COMPOSITION, BEING A BULK PRODUCT, MADE UP OF IRREGULARLY SHAPED UNITS, SAID UNITS BEING CAPABLE OF READY, INDEPENDENT MOVEMENT WITHOUT CLINGING TOGETHER, WHICH PERMITS POURING A QUANTITY FROM A LARGER BULK, SAID UNITS UPON INTRODUCTION INTO WATER READILY FLOATING AND CAPABLE OF MAINTAINING THEIR INDEPENDENT IDENTITY WITHOUT TENDENCY TO LUMP, DISINTEGRATING UPON CONTACT WITH WATER AND DISSOLVING, SAID UNITS COMPRISING SODIUM TETRABORATE IN HEAT SWOLLEN FORM, LIGHT AND EXCEEDINGLY POROUS, OF LOW BULK DENSITY, REHYDRATED WITH A WATER SOLUTION OF A SOAP, AND HAVING A PH GRATER THAN 7.
Claim 2
Dependent Claim
91 words
A CLEANING COMPOSITION, BEING A BULK PRODUCT, MADE UP OF IRREGULARLY SHAPED UNITS, SAID UNITS BEING CAPABLE OF READY, INDEPENDENT MOVEMENT WITHOUT CLINGING TOGETHER, WHICH PERMITS POURING A QUANTITY FROM A LARGER BULK, SAID UNITS UPON INTRODUCTION INTO WATER READILY FLOATING AND CAPABLE OF MAINTAINING THEIR INDEPENDENT IDENTITY WITHOUT TENDENCY TO LUMP, DISINTEGRATING UPON CONTACT WITH WATER AND DISSOLVING, SAID UNITS COMPRISING SODIUM TETRABORATE IN HEAT SWOLLEN FORM, LIGHT AND EXCEEDINGLY POROUS, OF LOW BULK DENSITY, REHYDRATED WITH A WATER SOLUTION OF A SOAP, AND HAVING A PH GRATER THAN 7.
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) | 1957-03-29 | 1957-09-28 | 1958-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-29 | 1961-09-28 | 1962-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-29 | 1965-09-28 | 1966-03-30 | $7700.00 | Window Closed / Lapsed |