US3322318A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cellulose fiber cans
Assignee: West Virginia Pulp and Paper Co
•
Filing: 1963-11-12
•
Granted: 1967-05-30
•
Expires: 1983-11-12
Abstract
No abstract record available.
Inventors
- 👤 Jr Joseph B Felton
- 👤 John F Turner
- 👤 Jr Archie D Duncan
- 👤 William J Funderburk
- 👤 Bart Roger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:47
CPC Classifications
B; B65; B65D; B65D3/00; B65D3/02; B65D3/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A CAN SUITABLE FOR USE IN THERMAL PROCESSING OF FOODS WHICH COMPRISES A PRE-STRESSED THIN-WALL CYLINDRICAL BODY MEMBER HAVING A THICKNESS EQUAL TO FROM 1/100 TO 1/200 OF THE DIAMETER OF SAID CAN AND AN END CLOSURE HERMETICALLY SEALED TO ONE END OF SAID BODY MEMBER, SAID BODY MEMBER BEING COMPOSED OF A CYLINDRICALLY FORMED SINGLE UNITARY WEB WHOSE OPPOSITE EDGES ARE ADHESIVELY SECUCRED TOGETHER AT AN AXIALLY ORIENTED SEAM EXTENDING FROM ONE END OF THE BODY MEMBER TO THE OPPOSITE END, SAID WEB COMPRISING A NON-WOVEN CELLULOSE FIBER SHEET IMPREGNATED WITH FROM 15 TO 60% BY WEIGHT
Claim 2
Dependent Claim
98 words
A CAN SUITABLE FOR USE IN THERMAL PROCESSING OF FOODS WHICH COMPRISES A PRE-STRESSED THIN-WALL CYLINDRICAL BODY MEMBER HAVING A THICKNESS EQUAL TO FROM 1/100 TO 1/200 OF THE DIAMETER OF SAID CAN AND AN END CLOSURE HERMETICALLY SEALED TO ONE END OF SAID BODY MEMBER, SAID BODY MEMBER BEING COMPOSED OF A CYLINDRICALLY FORMED SINGLE UNITARY WEB WHOSE OPPOSITE EDGES ARE ADHESIVELY SECUCRED TOGETHER AT AN AXIALLY ORIENTED SEAM EXTENDING FROM ONE END OF THE BODY MEMBER TO THE OPPOSITE END, SAID WEB COMPRISING A NON-WOVEN CELLULOSE FIBER SHEET IMPREGNATED WITH FROM 15 TO 60% BY WEIGHT
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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) | 1970-05-29 | 1970-11-28 | 1971-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-29 | 1974-11-28 | 1975-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-29 | 1978-11-28 | 1979-05-30 | $7700.00 | Window Closed / Lapsed |