US3463698A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminated plate for electrical apparatus and method for making same
Assignee: Fujitsu Ltd
•
Filing: 1965-06-14
•
Granted: 1969-08-26
•
Expires: 1985-06-14
Abstract
No abstract record available.
Inventors
- 👤 Kotaro Yanagihara
- 👤 Takenori Suzuki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:40
CPC Classifications
H; H05; H05K; H05K1/00; H05K1/02; H05K1/03; H05K1/0313; H05K1/0353; H05K1/0366; C; C08; C08J; C08J5/00; C08J5/24; C08J5/246; C08J5/247; H05K1/036; H05K2201/00; H05K2201/01; H05K2201/0137; H05K2201/0145; H05K2201/0166; H05K2201/02; H05K2201/0275; H05K2201/0278; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31511; Y10T428/31529
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A RIGID LAMINATED PLATE FOR ELECTRICAL APPARATUS COMPRISING A PLURALITY OF LAYERS OF A POLYETHYLENE TEREPHTHALATE POLYESTER FABRIC COATED FROM SOLUTION WITH A POLYISOCYANATE COMPOUND HAVING AT LEAST TWO FUNCTIONAL ISOCYANATE GROUP IN ITS MOLECULE, AND IMPREGNATED WITH A THERMOSETTING RESIN CHOSEN FROM THE GROUP CONSISTING OF PHENOL-FORMALDEHYDE RESINS, GLYCOL-MALEIC ACID CONDENSATION PRODUCTS, ALKANE DIOL-FUMARIC ACID CONDENSATION PRODUCTS, AND ALKANE DIOLCHLORINATED PHTHALIC AND TEREPHTHALIC ACID CONDENSATION PRODUCTS, AND THERMOSET TO FORM THE RIGID LAMINATED PLATE.
Claim 2
Dependent Claim
75 words
A RIGID LAMINATED PLATE FOR ELECTRICAL APPARATUS COMPRISING A PLURALITY OF LAYERS OF A POLYETHYLENE TEREPHTHALATE POLYESTER FABRIC COATED FROM SOLUTION WITH A POLYISOCYANATE COMPOUND HAVING AT LEAST TWO FUNCTIONAL ISOCYANATE GROUP IN ITS MOLECULE, AND IMPREGNATED WITH A THERMOSETTING RESIN CHOSEN FROM THE GROUP CONSISTING OF PHENOL-FORMALDEHYDE RESINS, GLYCOL-MALEIC ACID CONDENSATION PRODUCTS, ALKANE DIOL-FUMARIC ACID CONDENSATION PRODUCTS, AND ALKANE DIOLCHLORINATED PHTHALIC AND TEREPHTHALIC ACID CONDENSATION PRODUCTS, AND THERMOSET TO FORM THE RIGID LAMINATED PLATE.
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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) | 1972-08-25 | 1973-02-24 | 1973-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-25 | 1977-02-24 | 1977-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-25 | 1981-02-24 | 1981-08-26 | $7700.00 | Window Closed / Lapsed |