US3573153A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminated foam products and their preparation
Assignee: Ametek Inc
•
Filing: 1969-06-24
•
Granted: 1971-03-30
•
Expires: 1989-06-24
Abstract
Abstract THICK FOAM STRUCTURES HAVING A LOW DENSITY AND HIGH DURABILITY COUPLED WITH GOOD CUSHIONING PERFORMANCE, PRODUCE BY LAMINATING A PLURALITY OF LOW DENSITY, HIGH TEAR STRENGTH FOAM SHEETS UNDER A MINIMUM OF PRESSURE AND AT TEMPERATURES BELOW THE MELTING POINT OF THE FOAM.
Inventors
- 👤 Joseph Henry Ryan Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:13
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/02; B65D81/03; B29; B29C; B29C44/00; B29C44/34; B29C44/56; B29C65/00; B29C65/02; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/45; B29C66/70; B29C66/72; B29C66/727; B29C66/73; B29C66/737; B29C66/7375; B29C66/73751; B29C66/73752; B29C66/7377; B29C66/73775; B29C66/73776; B29C66/739; B29C66/7392; B29C66/73921; B29C66/90; B29C66/91; B29C66/914; B29C66/9141; B29C66/91411; B29C66/919; B29C66/9192; B29C66/91921; B29C66/91931; B29C66/91935; B29C66/92; B29C66/929; B32; B32B; B32B27/00; B29C43/00; B29C65/10; B29C65/14; B29C65/18; B29C66/71; B29K; B29K2023/00; B29K2023/10; B29K2023/12; B29K2105/00; B29K2105/25; B29K2105/253; B29K2105/256; B29L; B29L2031/00; B29L2031/30; B29L2031/3044; B29L2031/52; B29L2031/712; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24496; Y10T428/24504; Y10T428/249921; Y10T428/249953; Y10T428/24996; Y10T428/249975; Y10T428/249976; Y10T428/249981; Y10T428/26; Y10T428/269; Y10T428/31504; Y10T428/31855; Y10T428/31938
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-29 | 1974-09-28 | 1975-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-29 | 1978-09-28 | 1979-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-29 | 1982-09-28 | 1983-03-30 | $7700.00 | Window Closed / Lapsed |