US3452390A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the production of flexible foam plastic articles
Assignee: Gosta Trading Ltd
•
Filing: 1966-08-22
•
Granted: 1969-07-01
•
Expires: 1986-08-22
Abstract
No abstract record available.
Inventors
- 👤 Werner Borcovec
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:03
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/34; B29C44/36; B29C44/38; B29C44/44; B29C44/445; B29C44/02; B29C44/10; B29C44/3415; B29C44/3426; Y; Y10; Y10S; Y10S264/00; Y10S264/20; Y10S425/00; Y10S425/02; Y10S425/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3129464A
Cited
US3162704A
Cited
US3191233A
Cited
US3359353A
Cited
GB1008672A
Cited
US3268636A
Cited
US3368009A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-30 | 1972-12-30 | 1973-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-30 | 1976-12-30 | 1977-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-30 | 1980-12-30 | 1981-07-01 | $7700.00 | Window Closed / Lapsed |