Patent US3794524A successfully refreshed from Google Patents.
US3794524A
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Stripping method
Assignee: Chemed Corp
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Filing: 1972-11-21
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Granted: 1974-02-26
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Expires: 1992-11-21
Abstract
Abstract METHOD FOR STRIPPING RESIN-BASE DEPOSITS AND SIMILAR COATINGS FROM A SUBSTRATE WHICH INCLUDES CONTACTING VAPOR EVOLVED FROM A BOILING AZEOTROPIC MIXTURE WITH THE SUBSTRATE DISPOSED DEPOSIT. THE PRESENT METHOD IS PARTICULARLY USEFUL FOR STRIPPING DURABLE RESIN-BASE PAINT ADHERED TO A METAL SUBSTRATE IN THE FORM OF COATINGS AND OTHER DEPOSITS.
Inventors
- 👤 A Nogueira
- 👤 H Packer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:57
CPC Classifications
C; C23; C23G; C23G5/00; C23G5/02; C23G5/028; C23G5/02806; C09; C09D; C09D9/00; C09D9/005; C11; C11D; C11D7/00; C11D7/50; C11D7/5036; C11D7/5068; C11D7/5095
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) | 1977-02-25 | 1977-08-27 | 1978-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-25 | 1981-08-27 | 1982-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-25 | 1985-08-27 | 1986-02-26 | $7700.00 | Window Closed / Lapsed |