US3196975A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acoustic foam
Assignee: Honeywell International Inc
•
Filing: 1962-12-13
•
Granted: 1965-07-27
•
Expires: 1982-12-13
Abstract
No abstract record available.
Inventors
- 👤 Walter D Voelker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:46
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; E04B1/82; E04B1/84; E04B1/86; B; B29; B29K; B29K2995/00; B29K2995/0001; B29K2995/0002; E04B2001/8457; E04B2001/8461; Y; Y10; Y10S; Y10S264/00; Y10S264/13; Y10T; Y10T428/00; Y10T428/24; Y10T428/24942; Y10T428/2495; Y10T428/24967; Y10T428/249921; Y10T428/249953; Y10T428/249976; Y10T428/249977; Y10T428/249987
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A POLYURETHANE FOAM PANEL HAVING BOTH THERMAL INSULATION AND ACOUSTICAL INSULATION PROPERTIES AND HAVING A FACING READILY WASHABLE AND REPELLENT TO THE ADHERENCE OF DIRT THEREON COMPRISING A SINGLE LAYER BODY PORTION OF FLEXIBLE POLYURETHANE FOAM AND A PREFORMED PLASTIC FACING SHEET SECURELY BONDED THERETO, SAID PLASTIC FACING SHEET HAVING A THICKNESS OF LESS THAN 100 MICRONS AND SAID POLYURETHANE FOAM BODY PORTION COMPRISING BOTH OPEN CELL AND CLOSED CELL PORES, EACH IN SIGNIFICANT PROPORTION, WITH A MAJOR PORTION OF THE PORE VOLUME BEING OF OPEN CELL STRUCTURE.
Claim 2
Dependent Claim
88 words
A POLYURETHANE FOAM PANEL HAVING BOTH THERMAL INSULATION AND ACOUSTICAL INSULATION PROPERTIES AND HAVING A FACING READILY WASHABLE AND REPELLENT TO THE ADHERENCE OF DIRT THEREON COMPRISING A SINGLE LAYER BODY PORTION OF FLEXIBLE POLYURETHANE FOAM AND A PREFORMED PLASTIC FACING SHEET SECURELY BONDED THERETO, SAID PLASTIC FACING SHEET HAVING A THICKNESS OF LESS THAN 100 MICRONS AND SAID POLYURETHANE FOAM BODY PORTION COMPRISING BOTH OPEN CELL AND CLOSED CELL PORES, EACH IN SIGNIFICANT PROPORTION, WITH A MAJOR PORTION OF THE PORE VOLUME BEING OF OPEN CELL STRUCTURE.
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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) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |