Patent EP0244234A2 successfully refreshed from Google Patents.
Patent US3170568A successfully refreshed from Google Patents.
US3170568A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hermetical paper containers, lids, and method of providing same
Assignee: Maryland Cup Corp
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Filing: 1963-03-07
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Granted: 1965-02-23
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Expires: 1983-03-07
Abstract
No abstract record available.
Inventors
- 👤 Paul H Carter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:49
CPC Classifications
B; B65; B65D; B65D77/00; B65D77/10; B65D77/20; B65D77/2024; B65D3/00; B65D3/02; B65D3/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
77 words
A HERMETICAL PAPER CONTAINER COMPRISING A FILLED BODY SECTION OF WAX IMPREGNATED PAPER HAVING AN ANNULAR OPEN END ADAPTED TO RECEIVE A LID, A WAX IMPREGNATED LID DISPOSE IN SAID OPNE END, SAID LID HAVING AN ANNULAR FLANGE ADJACENT TO AND IN CONTINUOUS CONTACT WITH AN ANNULAR SURFACE PORTION OF SAID BODY SECTION, AND A LAYER OF A THERMOSET ADHESIVE SELECTED FROM THE GROUP CONSISTING OF POLYVINYL ACETATE AND POLYSTYRENE, SECURING THE FLANGE TO THE BODY SECTION.
References Cited (Backward Citations)
US1850493A
Cited
US2595046A
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US2746669A
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US2787410A
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US2966292A
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US2965499A
Cited
US3079057A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |