US3214251A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of laminate metal stock by use of organic anti-welding materials
Assignee: Continental Can Co Inc
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Filing: 1960-07-20
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Granted: 1965-10-26
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Expires: 1980-07-20
Abstract
No abstract record available.
Inventors
- 👤 Robert M Brick
- 👤 Robert B Mesrobian
- 👤 Hansson Ants
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:46
CPC Classifications
C; C21; C21D; C21D1/00; C21D1/68; B; B21; B21C; B21C37/00; B21C37/06; B21C37/14; B21D; B21D51/00; B21D51/16; B21D51/26; B21D51/2669; B21D51/2676; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49366; Y10T29/49369; Y10T29/4998; Y10T29/49982; Y10T29/49984; Y10T428/00; Y10T428/12; Y10T428/12292
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
76 words
AN ARTICLE OF MANUFACTURE COMPRISING A COLD AND HOT-ROLLING LAMINATED METAL STRIP HAVING AT LEAST ONE LONGITUDINAL INTERNAL CHANNEL CONTAINING A CONTINUOUS MICROSCOPIC FILM OF LESS THAN 0.001 OF AN INCH THICK; SAID FILM CONSISTING OF AN ORGANIC RESIST COMPOUND CAPABLE OF DECOMPOSING IN AIR AT TEMPERATURES ABOVE 600*F. AND HAVING BEEN SUBJECTED TO THE HOT-ROLLING TEMPERATURES OF ABOUT 900-1,100*F. IN THE ABSENCE OF AIR; AND LAMINATIONS BEING INTEGRALLY CONNECTED BY METAL ALONG THE LONGITUDINAL EDGES.
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) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |