US3629385A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming a container neck
Assignee: Primerica Inc
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Filing: 1969-10-27
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Granted: 1971-12-21
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Expires: 1989-10-27
Abstract
Abstract THE MANUFACTURE OF THE STRUCTURALLY COMPLEX MOLDED NECK ELEMENT OF A "CENTER LOCK" CAPTIVE CLOSURE, WHICH NECK ELEMENT COMPRISES A SEALING PLUG CENTRALLY SUSPENDED WITHIN A HOLLOW BODY ON SPACED RADICAL WEBS, THEREBY TO DEFINE DISPENSING APERTURES BETWEEN THE PLUG AND BODY. THE FORMING PROCEDURE INCLUDES THE INJECTION MOLDING OF THE NECK ELEMENT INCLUDING AN INVERTED ANNULAR MEMBER SURROUNDING THE PLUG AND BRIDGING THE ANNULAR SPACE BETWEEN THE PLUG AND BODY, AND THEREAFTER SEVERING AND ENTIRELY REMOVING THE ANNULAR MEMBER TO OPEN AND FORM ELONGATED DISPENSING APERTURES BETWEEN THE WEBS AND SURROUNDING THE PLUG IN A PRECISELY SHAPED NECK ELEMENT.
Inventors
- 👤 Charles Arthur Badavas
- 👤 Raymond William Landry
- 👤 John William Piltzecker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:35
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/14; B29C45/14598; B29C37/00; B29C37/02; B29C49/00; B29C49/42; B29C49/72; B29C49/74; B29D; B29D1/00; B29D23/00; B29D23/20; B29C2793/00; B29C2793/009; B29L; B29L2023/00; B29L2023/20; Y; Y10; Y10S; Y10S264/00; Y10S264/41
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-12-20 | 1975-06-21 | 1975-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-20 | 1979-06-21 | 1979-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-20 | 1983-06-21 | 1983-12-21 | $7700.00 | Window Closed / Lapsed |