Patent US3157339A successfully refreshed from Google Patents.
US3157339A
Expired / Lapsed
US
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Paper cup with caulked bottom and method of making
Assignee: Continental Can Co Inc
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Filing: 1961-07-18
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Granted: 1964-11-17
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Expires: 1981-07-18
Abstract
No abstract record available.
Inventors
- 👤 Negoro Kaiji
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:44
CPC Classifications
B; B65; B65D; B65D3/00; B65D3/10; B65D3/12; B65D3/14; B31; B31B; B31B2105/00; B31B2105/002; B31B2105/0022; B31B50/00; B31B50/26; B31B50/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A PAPER CUP COMPRISING A BODY AND A CUP BOTTOM TELESCOPED WITHIN SAID CUP BODY, SAID CUP BOTTOM HAVING A DEPENDING PERIPHERAL FLANGE OPPOSING THE INNER SURFACE OF SAID CUP BODY, SAID CUP BODY HAVING A REVERSELY TURNED LOWER PORTION TERMINATING IN A PERIPHERAL FLANGE TELESCOPED WITHIN SAID CUP BOTTOM PERIPHERAL FLANGE AND OPPOSING THE INNER SURFACE THEREOF, SAID REVERSELY TURNED LOWER PORTION BEING SPACED AXIALLY OF SAID CUP BOTTOM PERIPHERAL FLANGE AND DEFINING A POCKET, AND CAULKING COMPOUND DISPOSED IN SAID POCKET AND SEALING SAID CUP BOTTOM RELATIVE TO SAID CUP BODY AGAINST LEAKAGE.
Claim 2
Dependent Claim
95 words
A PAPER CUP COMPRISING A BODY AND A CUP BOTTOM TELESCOPED WITHIN SAID CUP BODY, SAID CUP BOTTOM HAVING A DEPENDING PERIPHERAL FLANGE OPPOSING THE INNER SURFACE OF SAID CUP BODY, SAID CUP BODY HAVING A REVERSELY TURNED LOWER PORTION TERMINATING IN A PERIPHERAL FLANGE TELESCOPED WITHIN SAID CUP BOTTOM PERIPHERAL FLANGE AND OPPOSING THE INNER SURFACE THEREOF, SAID REVERSELY TURNED LOWER PORTION BEING SPACED AXIALLY OF SAID CUP BOTTOM PERIPHERAL FLANGE AND DEFINING A POCKET, AND CAULKING COMPOUND DISPOSED IN SAID POCKET AND SEALING SAID CUP BOTTOM RELATIVE TO SAID CUP BODY AGAINST LEAKAGE.
References Cited (Backward Citations)
US1462443A
Cited
FR776026A
Cited
US2222686A
Cited
US2181569A
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US2409655A
Cited
US2480821A
Cited
US2725000A
Cited
US2692245A
Cited
US2775384A
Cited
US2737333A
Cited
US2875171A
Cited
US2925757A
Cited
US3050493A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-17 | 1968-05-18 | 1968-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-17 | 1972-05-18 | 1972-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-17 | 1976-05-18 | 1976-11-17 | $7700.00 | Window Closed / Lapsed |