US3099042A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for producing a porous resin plate
Assignee: VARTA AG
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Filing: 1958-06-24
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Granted: 1963-07-30
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Expires: 1978-06-24
Abstract
No abstract record available.
Inventors
- 👤 Rabl Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:29
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/24; B; B29; B29C; B29C67/00; B29C67/20; B29C67/205; Y; Y10; Y10S; Y10S264/00; Y10S264/61
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
125 words
AN APPARATUS FOR PRODUCING SHAPED POROUS SYNTHETIC RESIN PLATES, SAID APPARATUS COMPRISING A SUPPLY OF A FLEXIBLE SUPPORT BAND OF A NON-CONDUCTIVE, READILY DEFORMABLE MATERIAL, MEANS FOR DEPOSITING A LAYER OF SYNTHETIC RESIN POWDER ON THE SUPPORT BAND, A HEATING MEANS FOR SINTERING THE POWDER LAYER, MEANS FOR MOVING THE SUPPORT WITH THE POWDER LAYER THROUGH THE HEATING MEANS, A STATIONARY MOLDING PRESS, MEANS FOR ACUATING THE PRESS, MEANS FOR PULLING THE SUPPORT BAND WITH THE SINTERED POWDER LAYER THROUGH THE MOLDING PRESS, AND CONTROL MEANS SYNCHRONIZED FOR ATERNATELY ACTUATING THE SUPPORT MOVING AND PULLING MEANS TO IMPART AN INTERMITTENT FORWARD MOVEMENT TO THE SUPPORT BAND AND THE PRESS ACTUATING MEANS FOR ACTUATING THE PRESS WHEN THE SUPPORT BAND STANDS STILL BETWEEN INTEMITTENT FORWARD MOVEMENTS.
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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) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |