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Patent US3484518A successfully refreshed from Google Patents.
US3484518A
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US
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Method of and apparatus for the manufacture of objects from plastic material by pressure and/or vacuum forming operations
Assignee: Sobrefina SA
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Filing: 1966-10-31
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Granted: 1969-12-16
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Expires: 1986-10-31
Abstract
No abstract record available.
Inventors
- 👤 Rolf Lennart Ignell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:09
CPC Classifications
B; B29; B29C; B29C51/00; B29C51/26; B29C51/42; B29C51/421; B29C51/422; B26; B26F; B26F1/00; B26F1/38; B26F1/40; B29B; B29B13/00; B29B13/02; B29B13/023; B29C33/00; B29C33/02; B29C51/04; B29C51/30; B29C51/32; B29C51/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-15 | 1973-06-16 | 1973-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-15 | 1977-06-16 | 1977-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-15 | 1981-06-16 | 1981-12-16 | $7700.00 | Window Closed / Lapsed |