Patent US2939199A successfully refreshed from Google Patents.
US2939199A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Formation of ceramic mouldings
Assignee: International Standard Electric Corp
•
Filing: 1953-08-07
•
Granted: 1960-06-07
•
Expires: 1973-08-07
Abstract
No abstract record available.
Inventors
- 👤 Strivens Maurice Andrew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:30
CPC Classifications
C; C04; C04B; C04B33/00; C04B33/02; C04B33/13; C04B33/1315; B; B22; B22F; B22F1/00; B22F1/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A PROCESS FOR THE PRODUCTION OF ARTICLES FROM SINTERABLE MATERIAL WHICH PROCESS COMPRISES THE STEPS OF MIXING THE SINTERABLE MATERIAL WITH A VEHICLE THE COMPONENTS OF WHICH COMPRISE A THERMOSETTING RESIN, A MODIFIER FOR SAID RESIN, AND A PLASTICISER, FORMING THE MIXED MATERIAL AND VEHICLE INTO THE SHAPE REQUIRED BY THE APPLICATION OF HEAT AND PRESSURE WITHOUT APPRECIABLE HARDENING OF THE THERMOSETTING RESIN, STABILISING THE SHAPE BY HARDENING THE THERMOSETTING RESIN WITHOUT APPRECIABLE LOSS OF VEHICLE, REMOVING THE GREATER PART OF THE VEHICLE, AND FINALLY FIRING THE SHAPE.
Claim 2
Dependent Claim
88 words
A PROCESS FOR THE PRODUCTION OF ARTICLES FROM SINTERABLE MATERIAL WHICH PROCESS COMPRISES THE STEPS OF MIXING THE SINTERABLE MATERIAL WITH A VEHICLE THE COMPONENTS OF WHICH COMPRISE A THERMOSETTING RESIN, A MODIFIER FOR SAID RESIN, AND A PLASTICISER, FORMING THE MIXED MATERIAL AND VEHICLE INTO THE SHAPE REQUIRED BY THE APPLICATION OF HEAT AND PRESSURE WITHOUT APPRECIABLE HARDENING OF THE THERMOSETTING RESIN, STABILISING THE SHAPE BY HARDENING THE THERMOSETTING RESIN WITHOUT APPRECIABLE LOSS OF VEHICLE, REMOVING THE GREATER PART OF THE VEHICLE, AND FINALLY FIRING THE SHAPE.
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) | 1963-06-07 | 1963-12-07 | 1964-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-07 | 1967-12-07 | 1968-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-07 | 1971-12-07 | 1972-06-07 | $7700.00 | Window Closed / Lapsed |