Patent US2698622A successfully refreshed from Google Patents.
US3168207A
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US
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Blow molding
Assignee: Haveg Industries Inc
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Filing: 1963-09-25
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Granted: 1965-02-02
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Expires: 1983-09-25
Abstract
No abstract record available.
Inventors
- 👤 Robert L Noland
- 👤 Walter O Weber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:11
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/34; B29C44/36; B29C44/46; B29C44/50; B29C44/507; B29C49/00; B29C49/02; B29C49/04; B29C49/04118; B29K; B29K2105/00; B29K2105/04; B29K2105/043; B29K2105/24; B29L; B29L2023/00; Y; Y10; Y10S; Y10S220/00; Y10S220/902; Y10S264/00; Y10S264/01; Y10S264/14; Y10S428/00; Y10S428/91; Y10T; Y10T428/00; Y10T428/13; Y10T428/1352; Y10T428/1376
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A BLOW MOLDED CONTAINER OF A THERMOPLASTIC RESIN FOAM, SAID CONTAINER CONSISTING OF (1) A FOAM RESIN CORE, (2) A NON-POROUS TOUGH OUTER SKIN OF SAID RESIN, AND (3) A NON-PROUS TOUGH INNER SKIN OF SAID RESIN, SAID CORE COMPRISING OVER 5% AND NOT OVER 95%OF THE TOTAL THICKNESS OF THE SKINS AND CORE AND HAVING A DENSITY OF AT LEAST 12 LBS./CU. FT. AND SAID CORE BEING COMPOSED AND INTEGRAL WITH SAID SKINS, SAID THERMOPLASTIC RESIN BEING ORIENTED AND STRECHED AT LEAST 25% IN AT LEAST ONE DIRECTION.
Claim 2
Dependent Claim
89 words
A BLOW MOLDED CONTAINER OF A THERMOPLASTIC RESIN FOAM, SAID CONTAINER CONSISTING OF (1) A FOAM RESIN CORE, (2) A NON-POROUS TOUGH OUTER SKIN OF SAID RESIN, AND (3) A NON-PROUS TOUGH INNER SKIN OF SAID RESIN, SAID CORE COMPRISING OVER 5% AND NOT OVER 95%OF THE TOTAL THICKNESS OF THE SKINS AND CORE AND HAVING A DENSITY OF AT LEAST 12 LBS./CU. FT. AND SAID CORE BEING COMPOSED AND INTEGRAL WITH SAID SKINS, SAID THERMOPLASTIC RESIN BEING ORIENTED AND STRECHED AT LEAST 25% IN AT LEAST ONE DIRECTION.
References Cited (Backward Citations)
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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) | 1968-02-02 | 1968-08-03 | 1969-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-02 | 1972-08-03 | 1973-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-02 | 1976-08-03 | 1977-02-02 | $7700.00 | Window Closed / Lapsed |