Patent US2993866A successfully refreshed from Google Patents.
US2993866A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aerosol glass cleaner
Assignee: Colgate Palmolive Co
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Filing: 1956-03-21
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Granted: 1961-07-25
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Expires: 1976-03-21
Abstract
No abstract record available.
Inventors
- 👤 Vaughn Thomas Hunt
- 👤 Wellman William Wendell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:52
CPC Classifications
C; C11; C11D; C11D7/00; C11D7/22; C11D7/26; C11D7/261; C11D17/00; C11D17/0043; C11D3/00; C11D3/16; C11D3/37; C11D3/3703; C11D3/373; C11D7/50; C11D7/5004; C11D7/5009; C11D7/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
A PACKAGED GLASS CLEANER COMPRISING A VALVED CONTAINER CONTAINING A CLEAR NON-FLAMMABLE SOLUTION OF 0.1% TO 4% BY WEIGHT OF A NORMALLY LIQUID SILICONE HAVING A VISCOSITY IN THE RANGES OF ABOUT 10 TO 200 CENTISTOKES OF THE FORMULA:
Claim 2
Dependent Claim
39 words
A PACKAGED GLASS CLEANER COMPRISING A VALVED CONTAINER CONTAINING A CLEAR NON-FLAMMABLE SOLUTION OF 0.1% TO 4% BY WEIGHT OF A NORMALLY LIQUID SILICONE HAVING A VISCOSITY IN THE RANGES OF ABOUT 10 TO 200 CENTISTOKES OF THE FORMULA:
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) | 1964-07-24 | 1965-01-23 | 1965-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-24 | 1969-01-23 | 1969-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-24 | 1973-01-23 | 1973-07-25 | $7700.00 | Window Closed / Lapsed |