US2527299A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water impermeable sheet material
Assignee: Individual
•
Filing: 1946-10-31
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Granted: 1950-10-24
•
Expires: 1966-10-31
Abstract
No abstract record available.
Inventors
- 👤 Phillips Henry A De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:13
CPC Classifications
D; D06; D06N; D06N3/00; D06N3/04; D06N3/06; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2041; Y10T442/2098; Y10T442/2107; Y10T442/2139
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
178 words
A COATED FABRIC SHEET CHARACTERIZED BY HIGH WATER IMPERMEABILITY AND HIGH MOISTURE TRANSMISSION PROPERTIES, COMPRISING A FABRIC LAYER, A THICK BASE LAYER OF A SUBSTANTIALLY NON-ABSORBENT, WATER IMPERVIOUS, MOISTURE TRANSMITTING PLASTIC COATING ADHERING TO ONE FACE OF THE FABRIC LAYER, WHICH COMPRISES A MAJOR AMOUNT OF A VINYL COPOLYMER PREPARED BY THE POLYMERIZATION OF VINYL CHORIDE WITH VINYL ACETATE AND AHVING A COMBINED VINYL CHLORIDE CONTENT OF 88.5%-95% AND AN AVERAGE MOLECULAR WEIGHT OF 16,000-24,000, AND MINOR AMOUNTS OF A GLYCOL ESTER OF A FATTY ACID AS A MOISTURE VAPOR TRANSMITTING AGENT, PIGMENT, PLASTICIZER SELECTED FROM THE CLASS CONSISTING OF ORGANIC PHOSPHATES AND PTHALATES, AND INERT FILLER, AND TWO THIN OUTER LAYERS OF POROUS, ABSORBENT, WATER PERVIOUS, PLASTIC COATINGS, WHICH TRANSMIT WATER VAPOR, ONE OF WHICH ADHERES TO THE OTHER FACE OF THE FABRIC LAYER AND THE OTHER OF SAID THIN LAYERS ADHERING TO THE OUTER FACE OF THE THICK BASE LAYER, EACH OF SAID THIN LAYERS COMPRISING A MAJOR AMOUNT OF SAID VINYL COPOLYMER AND MINOR AMOUNTS OF A SOLID POROUS ABSORBENT, PIGMENT, FILLER, AND SAID PLASTICIZER.
Claim 2
Dependent Claim
178 words
A COATED FABRIC SHEET CHARACTERIZED BY HIGH WATER IMPERMEABILITY AND HIGH MOISTURE TRANSMISSION PROPERTIES, COMPRISING A FABRIC LAYER, A THICK BASE LAYER OF A SUBSTANTIALLY NON-ABSORBENT, WATER IMPERVIOUS, MOISTURE TRANSMITTING PLASTIC COATING ADHERING TO ONE FACE OF THE FABRIC LAYER, WHICH COMPRISES A MAJOR AMOUNT OF A VINYL COPOLYMER PREPARED BY THE POLYMERIZATION OF VINYL CHORIDE WITH VINYL ACETATE AND AHVING A COMBINED VINYL CHLORIDE CONTENT OF 88.5%-95% AND AN AVERAGE MOLECULAR WEIGHT OF 16,000-24,000, AND MINOR AMOUNTS OF A GLYCOL ESTER OF A FATTY ACID AS A MOISTURE VAPOR TRANSMITTING AGENT, PIGMENT, PLASTICIZER SELECTED FROM THE CLASS CONSISTING OF ORGANIC PHOSPHATES AND PTHALATES, AND INERT FILLER, AND TWO THIN OUTER LAYERS OF POROUS, ABSORBENT, WATER PERVIOUS, PLASTIC COATINGS, WHICH TRANSMIT WATER VAPOR, ONE OF WHICH ADHERES TO THE OTHER FACE OF THE FABRIC LAYER AND THE OTHER OF SAID THIN LAYERS ADHERING TO THE OUTER FACE OF THE THICK BASE LAYER, EACH OF SAID THIN LAYERS COMPRISING A MAJOR AMOUNT OF SAID VINYL COPOLYMER AND MINOR AMOUNTS OF A SOLID POROUS ABSORBENT, PIGMENT, FILLER, AND SAID PLASTICIZER.
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) | 1953-10-23 | 1954-04-24 | 1954-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-23 | 1958-04-24 | 1958-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-23 | 1962-04-24 | 1962-10-24 | $7700.00 | Window Closed / Lapsed |