US3201911A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming a package having an electrical zip tape
Assignee: Dow Chemical Co
•
Filing: 1961-03-13
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Granted: 1965-08-24
•
Expires: 1981-03-13
Abstract
No abstract record available.
Inventors
- 👤 Paul C Woodland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:07
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/02; B65D81/05; B65D81/107; B65D81/113; B65D77/00; B65D77/22; B65D77/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A METHOD OF PACKAGING AN ARTICLE AND REMOVING THE ARTICLE FROM THE PACKAGE COMPRISING THE STEPS OF PLACING A CONTINUOUS ELECTRIC CONDUCTING WIRE AROUND THE ARTICLE, ENCLOSING THE ARTICLE AND WIRE IN A FOAMED THERMOPLASTIC MATERIAL WITH OPPOSITE ENDS OF THE WIRE DISPOSED EXTERNALLY OF THE PACKAGE, CAUSING AN ELECTRIC CURRENT TO FLOW IN THE WIRE WHEREBY IT IS HEATED, AND MANIPULATING THE HEATED WIRE TO CUT THE THERMOPLASTIC MATERIAL INTO PARTS SO THAT THE ARTICLE MAY BE REMOVED FROM THE PACKAGE.
Claim 2
Independent Claim
82 words
A METHOD OF PACKAGING AN ARTICLE AND REMOVING THE ARTICLE FROM THE PACKAGE COMPRISING THE STEPS OF PLACING A CONTINUOUS ELECTRIC CONDUCTING WIRE AROUND THE ARTICLE, ENCLOSING THE ARTICLE AND WIRE IN A FOAMED THERMOPLASTIC MATERIAL WITH OPPOSITE ENDS OF THE WIRE DISPOSED EXTERNALLY OF THE PACKAGE, CAUSING AN ELECTRIC CURRENT TO FLOW IN THE WIRE WHEREBY IT IS HEATED, AND MANIPULATING THE HEATED WIRE TO CUT THE THERMOPLASTIC MATERIAL INTO PARTS SO THAT THE ARTICLE MAY BE REMOVED FROM THE PACKAGE.
References Cited (Backward Citations)
US2731912A
Cited
US2302152A
Cited
US2780350A
Cited
US2727128A
Cited
GB813028A
Cited
US2985287A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |