US3197938A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for forming closures on packages
Assignee: WR Grace and Co
•
Filing: 1962-01-31
•
Granted: 1965-08-03
•
Expires: 1982-01-31
Abstract
No abstract record available.
Inventors
- 👤 Lasoff Jacob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:32
CPC Classifications
B; B65; B65B; B65B51/00; B65B51/04; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/49925; Y10T29/49927; Y10T29/49929
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A MACHINE OF THE CLASS DESCRIBED ADAPTED TO FORM A PLASTIC RETAINER ABOUT THE NECK OF A PACKAGE, HAVING A DIE COMPRISING INNER AND OUTER ARCUATE ELEMENTS, THE INNER ELEMENT BEING FIXED AND NORMALLY PRESENTING AN OPENFACED DIE CHAMBER WITH OPEN SIDE WALLS, THE OUTER ELEMENT FORMING THE END AND SIDE WALLS OF THE CHAMBER AND BEING MOVABLE BETWEEN POSITIONS IN WHICH THE CHAMBER IS OPEN AND CLOSED, POWER MEANS TO MOVE THE OUTER ELEMENT INTO EITHER OF SAID POSITIONS, MEANS TO FORCE A CHARGE OF MOLTEN PLASTIC INTO THE DIE CHAMBER AND MEANS TO COOL THE DIE.
Claim 2
Dependent Claim
98 words
A MACHINE OF THE CLASS DESCRIBED ADAPTED TO FORM A PLASTIC RETAINER ABOUT THE NECK OF A PACKAGE, HAVING A DIE COMPRISING INNER AND OUTER ARCUATE ELEMENTS, THE INNER ELEMENT BEING FIXED AND NORMALLY PRESENTING AN OPENFACED DIE CHAMBER WITH OPEN SIDE WALLS, THE OUTER ELEMENT FORMING THE END AND SIDE WALLS OF THE CHAMBER AND BEING MOVABLE BETWEEN POSITIONS IN WHICH THE CHAMBER IS OPEN AND CLOSED, POWER MEANS TO MOVE THE OUTER ELEMENT INTO EITHER OF SAID POSITIONS, MEANS TO FORCE A CHARGE OF MOLTEN PLASTIC INTO THE DIE CHAMBER AND MEANS TO COOL THE DIE.
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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) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |