Patent US3680542A successfully refreshed from Google Patents.
Patent US3627519A successfully refreshed from Google Patents.
US3627519A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of sheets of sintered material
Assignee: Bridon Ropes Ltd
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Filing: 1969-04-14
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Granted: 1971-12-14
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Expires: 1989-04-14
Abstract
Abstract A METHOD OF AND APPARATUS FOR MANUFACTURING SHEETS OF SINTERED MATERIAL, WHICH METHOD INCLUDES THE STEPS OF FORMING A SUSPENSION OF PARTICLES OF SINTERABLE MATERIAL IN A FLUID, ALLOWING PARTICLES TO BE DEPOSITED FROM THE SUSPENSION TO FORM A LAYER ON A SUPPORT, AND SINTERING THE PARTICLES IN THE LAYER TO FORM A COHERENT SHEET. D R A W I N G
Inventors
- 👤 John Baker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:47
CPC Classifications
C; C04; C04B; C04B33/00; C04B33/28; B; B22; B22F; B22F3/00; B22F3/10; B22F3/11; B22F3/1103; B22F3/22; B22F5/00; B22F5/006; B22F7/00; B22F7/002; C04B33/30; B22F2998/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-12-13 | 1975-06-14 | 1975-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-13 | 1979-06-14 | 1979-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-13 | 1983-06-14 | 1983-12-14 | $7700.00 | Window Closed / Lapsed |