Patent US3409710A successfully refreshed from Google Patents.
US3409710A
Expired / Lapsed
US
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Method of molding dual wall container and closure
Assignee: Continental Can Co Inc
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Filing: 1965-01-19
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Granted: 1968-11-05
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Expires: 1985-01-19
Abstract
No abstract record available.
Inventors
- 👤 Mindaugas J Klygis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:41
CPC Classifications
B; B29; B29C; B29C49/00; B29C49/22; B29C48/00; B29C48/03; B29C48/09; B29C48/10; B29C48/14; B29C48/147; B29C48/1472; B29C48/16; B29C48/18; B29C48/21; B29C48/25; B29C48/30; B29C48/32; B29C48/335; B29C2791/00; B29C2791/004; B29C2791/007; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49789; Y10T29/49796
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A METHOD OF PRODUCING A MULTI-WALL CONTAINER COMPRISING THE STEPS OF FORMING AT LEAST A PAIR OF COAXIAL TELESCOPIC TUBULAR MEMBERS, CONTOURING A PORTION OF ONE OF THE MEMBERS TO FORM A CLOSURE PORTION AND SIMULTANEOUSLY CONTOURING A PORTION OF THE OTHER OF THE MEMBERS TO FORM A COMPLEMENTARY CONTURED NECK PORTION IN GENERALLY TELESCOPIC RELATIONSHIP WITH SAID CLOSURE PORTION, SIMULTANEOUSLY FORMING COMPLEMENTARY LOCKING PORTIONS IN EACH OF THE CLOSURE AND NECK PORTIONS DURING THE CONTOURING THEREOF, AND REMOVING THE CLOSURE PORTION FROM THE REMAINDER OF THE ONE MEMBER WHEREBY THE CLOSURE PORTION IS ADAPTED FOR REAPPLICATION UPON THE NECK PORTION OF THE OTHER MEMBER BY THE RESPECTIVE DISENGAGEMENT AND RE-ENGAGEMENT OF THE LOCKING PORTIONS.
Claim 2
Independent Claim
115 words
A METHOD OF PRODUCING A MULTI-WALL CONTAINER COMPRISING THE STEPS OF FORMING AT LEAST A PAIR OF COAXIAL TELESCOPIC TUBULAR MEMBERS, CONTOURING A PORTION OF ONE OF THE MEMBERS TO FORM A CLOSURE PORTION AND SIMULTANEOUSLY CONTOURING A PORTION OF THE OTHER OF THE MEMBERS TO FORM A COMPLEMENTARY CONTURED NECK PORTION IN GENERALLY TELESCOPIC RELATIONSHIP WITH SAID CLOSURE PORTION, SIMULTANEOUSLY FORMING COMPLEMENTARY LOCKING PORTIONS IN EACH OF THE CLOSURE AND NECK PORTIONS DURING THE CONTOURING THEREOF, AND REMOVING THE CLOSURE PORTION FROM THE REMAINDER OF THE ONE MEMBER WHEREBY THE CLOSURE PORTION IS ADAPTED FOR REAPPLICATION UPON THE NECK PORTION OF THE OTHER MEMBER BY THE RESPECTIVE DISENGAGEMENT AND RE-ENGAGEMENT OF THE LOCKING PORTIONS.
References Cited (Backward Citations)
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Cited
US2390291A
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US2856632A
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US2991500A
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US3021559A
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US3214830A
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US3198375A
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US3133661A
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US3189208A
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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) | 1971-11-05 | 1972-05-06 | 1972-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-05 | 1976-05-06 | 1976-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-05 | 1980-05-06 | 1980-11-05 | $7700.00 | Window Closed / Lapsed |