Patent US3345227A successfully refreshed from Google Patents.
US3345227A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making plastic containers
Assignee: Individual
•
Filing: 1965-10-21
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Granted: 1967-10-03
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Expires: 1985-10-21
Abstract
No abstract record available.
Inventors
- 👤 Robert H Park
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:37
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/66; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/50; B29C66/51; B29C66/53; B29C66/532; B29C66/5326; B29C66/53261; B29C66/53262; B29C66/534; B29C66/5344; B29C66/61; B29C66/612; B29C66/70; B29C66/73; B29C66/737; B29C66/7371; B29C66/73715; B29C66/80; B29C66/83; B29C66/832; B29C66/8322; B29D; B29D23/00; B29D23/20; B29C65/04; B29C65/08; B29C65/10; B29C65/14; B29C66/71; B29C66/83221; B29K; B29K2023/00; B29K2023/04; B29K2023/06; B29K2027/00; B29K2027/06; B29L; B29L2023/00; B29L2023/20; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
THE METHOD OF MAKING A PLASTIC CONTAINER WHICH COMPRISES FIRST DISPOSING A TUBLAR NECK BUSHING OF HEAT SHRINKABLE PLASTIC MATERIAL AND OF A WALL THICKNESS TO BE SELF-SUBSTAINING ABOUT A MANDREL MEMBER OF A DIAMETER TO FIT RELATIELY CLOSELY IN SAID BUSHING, THEN HEATING SAID PLASTIC NECK BUSHING TO SHRINK THE SAME TIGHTLY ABOUT SAID MANDREL, THEN PLACING THE ASSEMBLED BUSHING AND MANDREL BETWEEN OPPOSED WALLS OF A THIN-WALLED THEMOPLASTIC ENVELOPE ADJACENT TO THE MARGINS OF SUCH OPPOSED WALLS, THEN PRESSING THE OPPOSITE SIDES OF THE ENVELOPE WITH OPPOSED DIE MEMBERS TO PRESS SAID WALL MEMBERS AGAINST THE EXTERIOR OF SAID BUSHING AND TO PRESS PORTIONS OF SAID WALL MEMBERS AT OPPOSITE SIDES OF SAID BRUSHING AGAINST EACH OTHER AND SIMULTANEOUSLY SUBJECTING THE WALL MEMBERS TO HEAT, TO HEAT SEAL THE WALL MEMBERS TO EACH OTHER AND TO THE INTERVENING BUSHING.
Claim 2
Independent Claim
141 words
THE METHOD OF MAKING A PLASTIC CONTAINER WHICH COMPRISES FIRST DISPOSING A TUBLAR NECK BUSHING OF HEAT SHRINKABLE PLASTIC MATERIAL AND OF A WALL THICKNESS TO BE SELF-SUBSTAINING ABOUT A MANDREL MEMBER OF A DIAMETER TO FIT RELATIELY CLOSELY IN SAID BUSHING, THEN HEATING SAID PLASTIC NECK BUSHING TO SHRINK THE SAME TIGHTLY ABOUT SAID MANDREL, THEN PLACING THE ASSEMBLED BUSHING AND MANDREL BETWEEN OPPOSED WALLS OF A THIN-WALLED THEMOPLASTIC ENVELOPE ADJACENT TO THE MARGINS OF SUCH OPPOSED WALLS, THEN PRESSING THE OPPOSITE SIDES OF THE ENVELOPE WITH OPPOSED DIE MEMBERS TO PRESS SAID WALL MEMBERS AGAINST THE EXTERIOR OF SAID BUSHING AND TO PRESS PORTIONS OF SAID WALL MEMBERS AT OPPOSITE SIDES OF SAID BRUSHING AGAINST EACH OTHER AND SIMULTANEOUSLY SUBJECTING THE WALL MEMBERS TO HEAT, TO HEAT SEAL THE WALL MEMBERS TO EACH OTHER AND TO THE INTERVENING BUSHING.
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) | 1970-10-02 | 1971-04-03 | 1971-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-02 | 1975-04-03 | 1975-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-02 | 1979-04-03 | 1979-10-03 | $7700.00 | Window Closed / Lapsed |