US3349039A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleaning composition
Assignee: Produits Chimiques Pechiney Saint Gobain
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Filing: 1963-06-19
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Granted: 1967-10-24
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Expires: 1983-06-19
Abstract
No abstract record available.
Inventors
- 👤 Renault Daniel Auguste M Henri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:40
CPC Classifications
D; D06; D06L; D06L1/00; D06L1/02; D06L1/04; C; C11; C11D; C11D7/00; C11D7/50; C11D7/5004; C11D7/5018; C23; C23G; C23G5/00; C23G5/02; C23G5/028; C23G5/02806; D06M; D06M13/00; D06M13/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
A LIQUID CLEANING COMPOSITION CONSISTING ESSENTIALLY OF A MAJOR PORTION OF TRANS-DICHLOROETHYLENE AND A MINOR PORTION OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ETHYL BROMIDE, METHYLENE CHLORIDE, AND TRIFLUOROTRICHOLROETHANES, SAID COMPOUND BEING PRESENT IN ADMIXTURE WITH THE TRANS-DICHLOROETHYLENE IN AN AMOUNT WITHIN THE RANGE OF 15-30% BY WEIGHT.
Claim 2
Dependent Claim
50 words
A LIQUID CLEANING COMPOSITION CONSISTING ESSENTIALLY OF A MAJOR PORTION OF TRANS-DICHLOROETHYLENE AND A MINOR PORTION OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ETHYL BROMIDE, METHYLENE CHLORIDE, AND TRIFLUOROTRICHOLROETHANES, SAID COMPOUND BEING PRESENT IN ADMIXTURE WITH THE TRANS-DICHLOROETHYLENE IN AN AMOUNT WITHIN THE RANGE OF 15-30% BY WEIGHT.
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 |