US3256121A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a reinforced porous and permeable sheet material
Assignee: Rogers Corp
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Filing: 1962-09-05
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Granted: 1966-06-14
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Expires: 1982-09-05
Abstract
No abstract record available.
Inventors
- 👤 Jerrold J Abell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:29
CPC Classifications
D; D06; D06N; D06N3/00; D06N3/0002; D06N3/0015; D06N3/0025; B; B29; B29C; B29C67/00; B29C67/20; B29C67/205; B29C70/00; B29C70/04; B29C70/06; B29C70/10; B32; B32B; B32B27/00; C; C08; C08J; C08J9/00; C08J9/24; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1023
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
THE METHOD OF MANUFACTURING A POROUS PERMEABLE COMPOSITE SHEET WHICH COMRISES THE STEPS OF: DEPOSITING A LAYER OF THERMOPLASTIC RESIN GRANULES ON A CARRIER, APPLYING A PERMEABLE CORE SHEET TO SAID LAYER, PARTIALLY SINTERING SAID ASSEMBLY, THEN APPLYING ON THE OTHER SIDE OF SAID CORE SHEET A SECOND LAYER OF GRANULES SUPPORTED ON A SECOND CARRIER AND SINTERING THE ASSEMBLY TO PROVIDE POROUS PERMEABLE COMPOSITE SHEET.
Claim 2
Independent Claim
66 words
THE METHOD OF MANUFACTURING A POROUS PERMEABLE COMPOSITE SHEET WHICH COMRISES THE STEPS OF: DEPOSITING A LAYER OF THERMOPLASTIC RESIN GRANULES ON A CARRIER, APPLYING A PERMEABLE CORE SHEET TO SAID LAYER, PARTIALLY SINTERING SAID ASSEMBLY, THEN APPLYING ON THE OTHER SIDE OF SAID CORE SHEET A SECOND LAYER OF GRANULES SUPPORTED ON A SECOND CARRIER AND SINTERING THE ASSEMBLY TO PROVIDE POROUS PERMEABLE COMPOSITE SHEET.
References Cited (Backward Citations)
GB333161A
Cited
US2287159A
Cited
US2543101A
Cited
US2404073A
Cited
US2621138A
Cited
US3093525A
Cited
US3067469A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-13 | 1969-12-13 | 1970-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-13 | 1973-12-13 | 1974-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-13 | 1977-12-13 | 1978-06-14 | $7700.00 | Window Closed / Lapsed |