US3249662A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing ceramic articles by sintering preformed bodies and ceramic articles thus manufactured
Assignee: US Philips Corp
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Filing: 1963-01-08
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Granted: 1966-05-03
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Expires: 1983-01-08
Abstract
No abstract record available.
Inventors
- 👤 Gie Ong Tjing
- 👤 Tielrooy Hans
- 👤 Biemans Lodewijk Joseph Maria
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:28
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/622; C04B35/64; B; B01; B01J; B01J8/00; B01J8/18; B01J8/1836; C04B33/00; C04B33/32; C04B35/01; C04B35/26; Y; Y10; Y10S; Y10S264/00; Y10S264/51; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49069
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A METHOD OF MANUFACTURING CERAMIC ARTICLES COMPRISING THE STEPS, FORMING A LAYER OF A GRANULAR MATERIAL ON AN APERTURED SURFACE WITHIN A FURNACE, PLACING PREFORMED BODIES OF CERAMIC MATERIAL ON THE LAYER OF GRANULAR MATERIAL WHICH IS STABLE AT TEMPERATURES AT WHICH THE ARTICLES ARE SUBSEQUENTLY SINTERED TO FORM COHERENT BODIES, SAID GRANULAR MATERIAL BEING INERT AT SAID SINTERING
Claim 2
Independent Claim
59 words
A METHOD OF MANUFACTURING CERAMIC ARTICLES COMPRISING THE STEPS, FORMING A LAYER OF A GRANULAR MATERIAL ON AN APERTURED SURFACE WITHIN A FURNACE, PLACING PREFORMED BODIES OF CERAMIC MATERIAL ON THE LAYER OF GRANULAR MATERIAL WHICH IS STABLE AT TEMPERATURES AT WHICH THE ARTICLES ARE SUBSEQUENTLY SINTERED TO FORM COHERENT BODIES, SAID GRANULAR MATERIAL BEING INERT AT SAID SINTERING
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) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |