US3433700A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cellular foam composition and process for its preparation
Assignee: NORMAN R MIGDOL
•
Filing: 1964-06-22
•
Granted: 1969-03-18
•
Expires: 1984-06-22
Abstract
No abstract record available.
Inventors
- 👤 Norman R Migdol
- 👤 John Biskup
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:53
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/04; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24496; Y10T428/24504; Y10T428/249921; Y10T428/249953; Y10T428/249987; Y10T428/249988; Y10T428/249991; Y10T428/249992; Y10T428/26; Y10T428/263; Y10T442/00; Y10T442/50; Y10T442/51; Y10T442/54
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2964799A
Cited
US2918702A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-17 | 1972-09-16 | 1973-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-17 | 1976-09-16 | 1977-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-17 | 1980-09-16 | 1981-03-18 | $7700.00 | Window Closed / Lapsed |