Patent US2786782A successfully refreshed from Google Patents.
US2786782A
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Enameling ground-coat composition and process of application thereof
Assignee: Individual
•
Filing: 1954-08-31
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Granted: 1957-03-26
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Expires: 1974-08-31
Abstract
No abstract record available.
Inventors
- 👤 Haven M Zimmerman
- 👤 Burnham W King
- 👤 Jr John Schultz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:48
CPC Classifications
C; C03; C03C; C03C4/00; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/263; Y10T428/264; Y10T428/31504; Y10T428/31678
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
31 words
A PROCESS OF PRODUCING A VITREOUS ENAMELED METAL BODY WHICH COMPRISES SMELTING A BATCH OF ENAMELING MATERIALS IN SUCH PROPORTIONS AS TO YIELD, ON CALCULATED ANALYSIS, A FRIT CONSISTING ESSENTIALLY OF:
References Cited (Backward Citations)
US2301741A
Cited
US2321657A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-25 | 1960-09-24 | 1961-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-25 | 1964-09-24 | 1965-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-25 | 1968-09-24 | 1969-03-26 | $7700.00 | Window Closed / Lapsed |