US3456046A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for making foamed articles without undesirable seams
Assignee: Individual
•
Filing: 1967-08-31
•
Granted: 1969-07-15
•
Expires: 1987-08-31
Abstract
No abstract record available.
Inventors
- 👤 Jacob J Rosen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:51
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/02; B29C44/12; B29C44/14; B29C44/141; A; A63; A63H; A63H9/00; B29C33/00; B29C33/10; B29C41/00; B29C41/02; B29C41/04; B29C41/06; B29L; B29L2031/00; B29L2031/52; B29L2031/5209; B29L2031/5218; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US821529A
Cited
US2017216A
Cited
US2152311A
Cited
US2492483A
Cited
US2569869A
Cited
US2629134A
Cited
US2839788A
Cited
US2710427A
Cited
US2959820A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-14 | 1973-01-13 | 1973-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-14 | 1977-01-13 | 1977-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-14 | 1981-01-13 | 1981-07-15 | $7700.00 | Window Closed / Lapsed |