US3530208A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of molding a lined hollow body utilizing foamable polystyrene particles and an inflatable inner mold
Assignee: Tetra Pak AB
•
Filing: 1968-02-05
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Granted: 1970-09-22
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Expires: 1988-02-05
Abstract
No abstract record available.
Inventors
- 👤 Hans Anders Rausing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:47
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/02; B29C44/12; B29C44/14; B29C44/34; B29C44/36; B29C44/38; B29C44/44; B29C44/445; B29C49/00; B29C49/24; B29C49/42; B29C49/44; B29C51/00; B29C51/16; B29C33/00; B29C33/44; B29C33/48; B29C33/76; B29C44/3415; B29C44/3426; B29K; B29K2105/00; B29K2105/04; B29K2105/25; B29K2105/251; B29L; B29L2009/00; B29L2031/00; B29L2031/712; B29L2031/7132; B29L2031/7158; Y; Y10; Y10S; Y10S273/00; Y10S273/02; Y10S273/07; Y10S425/00; Y10S425/014
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-21 | 1974-03-23 | 1974-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-21 | 1978-03-23 | 1978-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-21 | 1982-03-23 | 1982-09-22 | $7700.00 | Window Closed / Lapsed |