US2827393A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of glass enameling foil
Assignee: General Ceramics Corp
•
Filing: 1954-02-11
•
Granted: 1958-03-18
•
Expires: 1974-02-11
Abstract
No abstract record available.
Inventors
- 👤 Gerhard E Kadisch
- 👤 Willis D Kleppinger
- 👤 Paul A Huppert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:39
CPC Classifications
C; C03; C03C; C03C8/00; C03C8/02; C03C8/08; C03C8/14; C03C8/16; C23; C23D; C23D5/00; C23D5/02; C03C2207/00; C03C2207/08; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/266; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/294
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A PROCESS OF MAKING GLASS ENAMELED ALUMINUM FOR COMPRISING THE STEPS OF PROVIDING A SUBSTANTIALLY CONTINUOUS STRIP OF ALUMINUM FOIL HAVING A THICKNESS OF LESS THAN .003", CONTINUOUSLY MOVING THE FLAT STRIP THROUGH A FIRST ZONE, APPLYING AN ENAMEL SLIP CAPABLE OF MATURING AT A TEMPERATURE OF 940*-1040*F. TO SAID FOIL IN SAID FIRST ZONE, CONTINUOUSLY SUPPORTING AND PASSING THE FOIL HORIZONTALLY WITHOUT TENSION THROUGH A HEATING DEVICE HEATED TO THE MATURING TEMPERATURE OF SAID SLIP AND CONTINOUSLY SMOOTHING THE ENAMEL COATED FOIL BY PASSING IT OVER AN IRONING MEANS HEATED TO A TEMPERATURE BELOW THE MATURING TEMPERATURE OF THE ENAMEL.
Claim 2
Dependent Claim
101 words
A PROCESS OF MAKING GLASS ENAMELED ALUMINUM FOR COMPRISING THE STEPS OF PROVIDING A SUBSTANTIALLY CONTINUOUS STRIP OF ALUMINUM FOIL HAVING A THICKNESS OF LESS THAN .003", CONTINUOUSLY MOVING THE FLAT STRIP THROUGH A FIRST ZONE, APPLYING AN ENAMEL SLIP CAPABLE OF MATURING AT A TEMPERATURE OF 940*-1040*F. TO SAID FOIL IN SAID FIRST ZONE, CONTINUOUSLY SUPPORTING AND PASSING THE FOIL HORIZONTALLY WITHOUT TENSION THROUGH A HEATING DEVICE HEATED TO THE MATURING TEMPERATURE OF SAID SLIP AND CONTINOUSLY SMOOTHING THE ENAMEL COATED FOIL BY PASSING IT OVER AN IRONING MEANS HEATED TO A TEMPERATURE BELOW THE MATURING TEMPERATURE OF THE ENAMEL.
References Cited (Backward Citations)
US2321656A
Cited
US2424353A
Cited
US2480711A
Cited
US2482533A
Cited
US2660531A
Cited
US2608490A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-17 | 1961-09-16 | 1962-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-17 | 1965-09-16 | 1966-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-17 | 1969-09-16 | 1970-03-18 | $7700.00 | Window Closed / Lapsed |