Patent US2995523A successfully refreshed from Google Patents.
US3342740A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window cleaner
Assignee: Armour and Co
•
Filing: 1965-06-07
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Granted: 1967-09-19
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Expires: 1985-06-07
Abstract
No abstract record available.
Inventors
- 👤 Jerzy E Kazmierczak
- 👤 Aaron B Herrick
- 👤 Carlo Armando
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:21
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/37; C11D3/3703; C11D3/373; C11D3/3738; C09; C09K; C09K3/00; C09K3/30; C11D17/00; C11D17/0043
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
A WINDOW CLEANER COMPOSITION CONSISTING ESSENTIALLY OF 0.1 TO 2.5% BY WEIGHT OF A WATER SOLUBLE SILICONE GLYCOL COPOLYMER, 10 TO 30% BY WEIGHT OF A C1 TO C4 ALCOHOLIC SOLVENT 0.1 TO 0.5% BY WEIGHT OF A NONIONIC SURFACTANT AND THE BALANCE WATER.
Claim 2
Dependent Claim
44 words
A WINDOW CLEANER COMPOSITION CONSISTING ESSENTIALLY OF 0.1 TO 2.5% BY WEIGHT OF A WATER SOLUBLE SILICONE GLYCOL COPOLYMER, 10 TO 30% BY WEIGHT OF A C1 TO C4 ALCOHOLIC SOLVENT 0.1 TO 0.5% BY WEIGHT OF A NONIONIC SURFACTANT AND THE BALANCE WATER.
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) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |