Patent US3312262A successfully refreshed from Google Patents.
US3312262A
Expired / Lapsed
US
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Blow-molded article
Assignee: Union Carbide Corp
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Filing: 1964-12-04
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Granted: 1967-04-04
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Expires: 1984-12-04
Abstract
No abstract record available.
Inventors
- 👤 Paul H Hunter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:43
CPC Classifications
B; B29; B29C; B29C49/00; B29C49/0031; B65; B65D; B65D11/00; B65D11/02; B65D11/04; B29C49/42; B29C49/4273; B29C49/4283; Y; Y10; Y10T; Y10T428/00; Y10T428/13; Y10T428/1328; Y10T428/1331
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
A BLOW-MOLDED HOLLOW BODY WHICH COMPRISES: (A) INTEGRAL PORTIONS OF DIFFERENT DIAMETERS; (B) SAID BODY BEING CLOSED AT BOTH ENDS AND ADAPTED TO BE SEPARATED INTO TWO PORTIONS; (C) SAID PORTIONS ADAPTED TO SERVE AS AN OUTER CONTAINER BODY AND AN INNER CONTAINER BODY; EACH OF SAID CONTAINER BODIES HAVING A BEADED NECK PORTION; (D) SAID BEADED NECK PORTION OF SAID OUTER CONTAINER BODY BEING ADAPTED TO RECEIVE SAID BEADED NECK PORTION OF SAID INNER CONTAINER BODY IN AIR-TIGHT LEAKPROOF, INTERLOCKING FRICTIONAL ASSEMBLY THEREWITH; (E) SAID OUTER CONTAINER BODY HAVING AN INNER DIAMETER GREATER THAN THE OUTER DIAMETER OF SAID INNER CONTAINER BODY SUCH THAT WHEN SAID NECK PORTIONS ARE PLACED IN INTERLOCKING FRICTIONAL ASSEMBLY, SAID CONTAINER BODIES FORM A DOUBLE WALL CONTAINER WITH AIR SPACE BETWEEN THE WALLS THEREOF, AND (F) SAID BEADED NECK PORTION OF SAID OUTER CONTAINER BODY BEING ADAPTED TO RECEIVE CLOSURE MEANS FOR SAID DOUBLE WALL CONTAINER.
Claim 2
Dependent Claim
152 words
A BLOW-MOLDED HOLLOW BODY WHICH COMPRISES: (A) INTEGRAL PORTIONS OF DIFFERENT DIAMETERS; (B) SAID BODY BEING CLOSED AT BOTH ENDS AND ADAPTED TO BE SEPARATED INTO TWO PORTIONS; (C) SAID PORTIONS ADAPTED TO SERVE AS AN OUTER CONTAINER BODY AND AN INNER CONTAINER BODY; EACH OF SAID CONTAINER BODIES HAVING A BEADED NECK PORTION; (D) SAID BEADED NECK PORTION OF SAID OUTER CONTAINER BODY BEING ADAPTED TO RECEIVE SAID BEADED NECK PORTION OF SAID INNER CONTAINER BODY IN AIR-TIGHT LEAKPROOF, INTERLOCKING FRICTIONAL ASSEMBLY THEREWITH; (E) SAID OUTER CONTAINER BODY HAVING AN INNER DIAMETER GREATER THAN THE OUTER DIAMETER OF SAID INNER CONTAINER BODY SUCH THAT WHEN SAID NECK PORTIONS ARE PLACED IN INTERLOCKING FRICTIONAL ASSEMBLY, SAID CONTAINER BODIES FORM A DOUBLE WALL CONTAINER WITH AIR SPACE BETWEEN THE WALLS THEREOF, AND (F) SAID BEADED NECK PORTION OF SAID OUTER CONTAINER BODY BEING ADAPTED TO RECEIVE CLOSURE MEANS FOR SAID DOUBLE WALL CONTAINER.
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) | 1970-04-03 | 1970-10-03 | 1971-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-03 | 1974-10-03 | 1975-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-03 | 1978-10-03 | 1979-04-04 | $7700.00 | Window Closed / Lapsed |