US3170568A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hermetical paper containers, lids, and method of providing same
Assignee: Maryland Cup Corp
•
Filing: 1963-03-07
•
Granted: 1965-02-23
•
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 09:29
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
Cited
US2746669A
Cited
US2787410A
Cited
US2966292A
Cited
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 |