US3234594A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for forming plastic containers
Assignee: Hedwin Corp
•
Filing: 1964-07-13
•
Granted: 1966-02-15
•
Expires: 1984-07-13
Abstract
No abstract record available.
Inventors
- 👤 Thomas W Winstead
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:42
CPC Classifications
B; B29; B29C; B29C51/00; B29C51/26; B29C51/266; B29C51/267; B29C49/00; B29C49/02; B29C49/06905; B29C49/0691; B29C49/28; B29C49/30; B29C49/36; Y; Y10; Y10T; Y10T156/00; Y10T156/12; Y10T156/1313; Y10T156/1317
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
APPARATUS FOR MANUFACTURING PLASTIC SHIPPING AND STORAGE CONTAINERS, COMPRISING A DIE MEMBER HAVING TWO LATERALLY SPACED SETS OF DIE LIPS ADAPTED TO SIMULTANEOUSLY EXTRUDE TWO SPACED SHEETS OF THERMOPLASTIC MATERIAL, A PAIR OF INDEPENDENTLY MOUNTED, HORIZONTALLY SEPARABLE MOLD HALVES DISPOSED ADJACENT SAID DIE MEMBER WITH THE OPENINGS OF THEIR RESPECTIVE CAVITIES IN OPPOSED RELATION, MEANS FOR PRESENTING SAID SPACED SHEETS BETWEEN AND RESPECTIVELY IN PARALLEL RELATION TO THE ADJACENT OPENINGS OF SAID MOLD HALVES FOR CONTACT WITH THEIR RESPECTIVE OPEN CAVITIES WHILE SAID MOLD HALVES ARE SEPARATED, MEANS TO BODILY SHIFT SAID MOLD HALVES HORIZONTALLY AND SUBSTANTIALLY SIMULTANEOUSLY TOWARD ONE ANOTHER FOR EFFECTING INITIAL CONTACT OF SAID SHEETS WITH RESPECTIVE SEPARATED MOLD HALVES, MEANS COORDINATED WITH SAID LAST-NAMED SHIFTING MEANS FOR SUPPLYING VACUUM TO EACH OF THE SEPARATED MOLD
Claim 2
Dependent Claim
129 words
APPARATUS FOR MANUFACTURING PLASTIC SHIPPING AND STORAGE CONTAINERS, COMPRISING A DIE MEMBER HAVING TWO LATERALLY SPACED SETS OF DIE LIPS ADAPTED TO SIMULTANEOUSLY EXTRUDE TWO SPACED SHEETS OF THERMOPLASTIC MATERIAL, A PAIR OF INDEPENDENTLY MOUNTED, HORIZONTALLY SEPARABLE MOLD HALVES DISPOSED ADJACENT SAID DIE MEMBER WITH THE OPENINGS OF THEIR RESPECTIVE CAVITIES IN OPPOSED RELATION, MEANS FOR PRESENTING SAID SPACED SHEETS BETWEEN AND RESPECTIVELY IN PARALLEL RELATION TO THE ADJACENT OPENINGS OF SAID MOLD HALVES FOR CONTACT WITH THEIR RESPECTIVE OPEN CAVITIES WHILE SAID MOLD HALVES ARE SEPARATED, MEANS TO BODILY SHIFT SAID MOLD HALVES HORIZONTALLY AND SUBSTANTIALLY SIMULTANEOUSLY TOWARD ONE ANOTHER FOR EFFECTING INITIAL CONTACT OF SAID SHEETS WITH RESPECTIVE SEPARATED MOLD HALVES, MEANS COORDINATED WITH SAID LAST-NAMED SHIFTING MEANS FOR SUPPLYING VACUUM TO EACH OF THE SEPARATED MOLD
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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) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |