Patent US3406857A successfully refreshed from Google Patents.
US3406857A
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Insulated plastic vessel
Assignee: Airco Inc
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Filing: 1964-12-09
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Granted: 1968-10-22
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Expires: 1984-12-09
Abstract
Abstract 1,120,069. Laminates. AIR REDUCTION CO. Inc. 1 Dec., 1965 [9 Dec., 1964], No. 50980/6S. Heading B5N. [Also in Division F4] A laminated plastic used to form the walls of a double-walled chemically insulating container (see Division F4) comprises layers 13 of phenol-formaldehyde impregnated paper base thermosetting plastic together with two or more laminations 14 of regenerated cellulose. The layers are all bonded together by the phenolformaldehyde resin. The layers 13 may be formed and bonded together with layers 14 by hot pressing. Instead of cellulose other impermeable layers may be used, e.g. copper or aluminium foil or polyethylene terephthalate. The laminate is resistant to shock.
Inventors
- 👤 James L Perry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:28
CPC Classifications
F; F17; F17C; F17C3/00; F17C3/02; F17C3/08; F17C2201/00; F17C2201/01; F17C2201/0104; F17C2201/0109; F17C2203/00; F17C2203/03; F17C2203/0304; F17C2203/0308; F17C2203/032; F17C2203/0391; F17C2203/06; F17C2203/0602; F17C2203/0612; F17C2203/0626; F17C2203/0629; F17C2203/0634; F17C2203/0658; F17C2203/066; F17C2209/00; F17C2209/22; F17C2209/227; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161; F17C2223/03; F17C2223/033; Y; Y10; Y10S; Y10S220/00; Y10S220/901
Claims Analysis
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-22 | 1972-04-22 | 1972-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-22 | 1976-04-22 | 1976-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-22 | 1980-04-22 | 1980-10-22 | $7700.00 | Window Closed / Lapsed |