US3222697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Profiled polyurethane foam articles of manufacture
Assignee: Bayer Corp
•
Filing: 1956-06-29
•
Granted: 1965-12-14
•
Expires: 1976-06-29
Abstract
No abstract record available.
Inventors
- 👤 Scheermesser Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:05
CPC Classifications
A; A47; A47C; A47C27/00; A47C27/14; A47C27/142; A47C27/144; A47C27/15; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24496; Y10T428/24504; Y10T428/24512; Y10T428/24562; Y10T428/2457; Y10T428/24744; Y10T428/249921; Y10T428/249953; Y10T428/249981
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
AS A NEW ARTICLE OF MANUFACTURE, A BODY OF POLYURETHANE FOAM HAVING AT LEAST ONE PROFILED SURFACE COMPRISING A PLURALITY OF RIBS AND GROOVES FORMED THEREIN, SAID BODY BEING CHARACTERIZED BY A COMPRESSION-STRESS CURVE THAT APPROXIMATES A STRAIGHT LINE.
Claim 2
Dependent Claim
39 words
AS A NEW ARTICLE OF MANUFACTURE, A BODY OF POLYURETHANE FOAM HAVING AT LEAST ONE PROFILED SURFACE COMPRISING A PLURALITY OF RIBS AND GROOVES FORMED THEREIN, SAID BODY BEING CHARACTERIZED BY A COMPRESSION-STRESS CURVE THAT APPROXIMATES A STRAIGHT LINE.
References Cited (Backward Citations)
BE512395A
Cited
US839834A
Cited
GB434550A
Cited
US2194364A
Cited
FR960558A
Cited
US2584313A
Cited
US2785739A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |