Patent US3791977A successfully refreshed from Google Patents.
US3791977A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heavy duty exothermic all-purpose cleaning compositions
Assignee: SYSTEMS GENERAL Inc
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Filing: 1971-06-14
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Granted: 1974-02-12
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Expires: 1991-06-14
Abstract
Abstract HEAVY DUTY, EXOTHERMIC, ALL-PURPOSE CLEANING COMPOSITIONS HAVING UTILITY AS GENERAL CLEANING AGENTS, AS HAIR REMOVAL AND DRAIN CLEANING AGENTS, AND AS RUST REMOVAL AGENTS, WHICH COMPRISE, IN ADMIXTURE AND AS ESSENTIAL ACTIVE INGREDIENTS, AN ACIDIC AGENT AND A CAUSTIC ALKALI, WHICH, WHEN CONTANTED WITH WATER, ACT TO GENERATE A HOT SOLUTION CAPABLE, AMONG OTHER THINGS, OF FLUIDIZING, SOLUBILIZING AND/OR DIGESTING GREASE, OIL, GRIME, HAIR AND RUST. SMALL PROPORTIONS OF OTHER INGREDIENTS SUCH AS COMPARTIBLE SURFACTANTS, BLEACHING AGENTS GERMICIDES, AND THE LIKE, DESIRABLY ARE INCORPORATED IN THE COMPOSITIONS.
Inventors
- 👤 S Ancel
- 👤 J Gladish
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:55
CPC Classifications
C; C09; C09D; C09D9/00; C11; C11D; C11D3/00; C11D3/0005; C11D3/0052; C11D7/00; C11D7/02; C11D7/04; C11D7/06; C11D7/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-02-11 | 1977-08-13 | 1978-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-11 | 1981-08-13 | 1982-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-11 | 1985-08-13 | 1986-02-12 | $7700.00 | Window Closed / Lapsed |