US2617740A
Expired / Lapsed
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Assignee: Harshaw Chemical Co
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Filing: 1950-10-21
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Granted: 1952-11-11
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Expires: 1970-10-21
Abstract
No abstract record available.
Inventors
- 👤 William C Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:59
CPC Classifications
C; C03; C03C; C03C8/00; C03C8/14; C03C8/16; C23; C23D; C23D5/00; C23D5/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
AN ENAMEL COMPOSITION ADAPTED TO BE APPLIED BY A SCREEN PROCESS, THE SAME ESSENTIALLY CONSISTING OF FROM 80 TO 60 PARTS OF ENAMEL CONSTITUENTS AND FROM 20 TO 40 PARTS OF VEHICLE OF THE FOLLOWING COMPOSITION:
Claim 2
Dependent Claim
36 words
AN ENAMEL COMPOSITION ADAPTED TO BE APPLIED BY A SCREEN PROCESS, THE SAME ESSENTIALLY CONSISTING OF FROM 80 TO 60 PARTS OF ENAMEL CONSTITUENTS AND FROM 20 TO 40 PARTS OF VEHICLE OF THE FOLLOWING COMPOSITION:
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) | 1955-11-11 | 1956-05-12 | 1956-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-11 | 1960-05-12 | 1960-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-11 | 1964-05-12 | 1964-11-11 | $7700.00 | Window Closed / Lapsed |