US3262834A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Waterproof gas-permeable plastic sheet
Assignee: Rogers Corp
•
Filing: 1962-12-20
•
Granted: 1966-07-26
•
Expires: 1982-12-20
Abstract
No abstract record available.
Inventors
- 👤 Jerrold J Abell
- 👤 Richard C Berry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:50
CPC Classifications
B; B29; B29B; B29B13/00; B29B13/007; B29C; B29C67/00; B29C67/20; B29C67/205; C; C08; C08J; C08J9/00; C08J9/24; D; D06; D06M; D06M17/00; D06M17/04; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249978; Y10T428/249986; Y10T428/31504; Y10T428/31855; Y10T428/31935
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
67 words
A WATERPROOF, MICROPOROUS, GAS-PERMEABLE PLASTIC SHEET HAVING A WATER REPELLENT INCORPORATED THROUGHOUT THE STRUCTURE OF THE SHEET COMPRISING PLASTICIZER-WATER REPELLENT IMPREGNATED THERMOPLASTIC RESIN GRANULES SINTERED INTO SAID SHEET, SAID SHEET HAVING AN AIR PERMEABILITY OF 3-20 FT.3/MIN./FT.2 AT A PRESSURE DIFFERENCE OF 25 INCHES OF WATER, AND WATERPROOFNESS MEASURED AS A RESISTANCE F FOR AT LEAST 15 MINUTES TO A STATIC HEAD OF 50 CM. OF WATER.
Claim 2
Dependent Claim
67 words
A WATERPROOF, MICROPOROUS, GAS-PERMEABLE PLASTIC SHEET HAVING A WATER REPELLENT INCORPORATED THROUGHOUT THE STRUCTURE OF THE SHEET COMPRISING PLASTICIZER-WATER REPELLENT IMPREGNATED THERMOPLASTIC RESIN GRANULES SINTERED INTO SAID SHEET, SAID SHEET HAVING AN AIR PERMEABILITY OF 3-20 FT.3/MIN./FT.2 AT A PRESSURE DIFFERENCE OF 25 INCHES OF WATER, AND WATERPROOFNESS MEASURED AS A RESISTANCE F FOR AT LEAST 15 MINUTES TO A STATIC HEAD OF 50 CM. OF WATER.
Claim 3
Dependent Claim
24 words
A WATERPROOF MICROPOROUS PERMEDABLE PLASTIC SHEET AS DEFINED IN CLAIM 1 WHEREIN A FIBROUS SHEET IS BONDED TO THE SINTERED THERMOPLASTIC RESIN SHEET MATERIAL.
References Cited (Backward Citations)
CA556942A
Cited
US2526311A
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US3094585A
Cited
US2943008A
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US2960727A
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US2963746A
Cited
US3004294A
Cited
US3067469A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-25 | 1970-01-24 | 1970-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-25 | 1974-01-24 | 1974-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-25 | 1978-01-24 | 1978-07-26 | $7700.00 | Window Closed / Lapsed |