US3349036A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleaning composition
Assignee: Vego Chemical Corp
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Filing: 1965-10-20
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Granted: 1967-10-24
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Expires: 1985-10-20
Abstract
No abstract record available.
Inventors
- 👤 Arthur W Campbell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:25
CPC Classifications
C; C23; C23G; C23G1/00; C23G1/02; C23G1/12; C23G1/125; C11; C11D; C11D7/00; C11D7/02; C11D7/04; C11D7/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
A CLEANING COMPOSITION FOR ALUMINUM BOAT BOTTOMS CONSISTING ESSENTIALLY OF AQUEOUS NITRIC ACID OF CONCENTRATION RANGING FROM 5.0 TO 35% BY WEIGHT, HNO3 CONTENT AND 0.25 TO 20.0% BY WEIGHT, OF SULFAMIC ACID, BASED ON THE HNO3 CONTENT OF THE COMPOSITION.
Claim 2
Dependent Claim
41 words
A CLEANING COMPOSITION FOR ALUMINUM BOAT BOTTOMS CONSISTING ESSENTIALLY OF AQUEOUS NITRIC ACID OF CONCENTRATION RANGING FROM 5.0 TO 35% BY WEIGHT, HNO3 CONTENT AND 0.25 TO 20.0% BY WEIGHT, OF SULFAMIC ACID, BASED ON THE HNO3 CONTENT OF THE COMPOSITION.
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) | 1970-10-23 | 1971-04-24 | 1971-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-23 | 1975-04-24 | 1975-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-23 | 1979-04-24 | 1979-10-24 | $7700.00 | Window Closed / Lapsed |