Patent US3141197A successfully refreshed from Google Patents.
US3141197A
Expired / Lapsed
US
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Molding apparatus
Assignee: TE Connectivity Corp
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Filing: 1961-05-15
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Granted: 1964-07-21
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Expires: 1981-05-15
Abstract
No abstract record available.
Inventors
- 👤 Paul T Hahn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:39
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/46; B29C45/53; B29C45/18; B29C45/70; B29C45/706
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
INJECTION MOLDING APPARATUS COMPRISING, A PLUNGER, A CYLINDER IN SURROUNDING RELATIONSHIP TO SAID PLUNGER, A NORMALLY OPEN TWO-PART MOLD, ONE PART OF SAID MOLD BEING DISPOSED ADJACENT TO SAID CYLINDER AND BEING ADAPTED TO MOVE TOWARDS THE OTHER PART THEREOF TO CLOSE SAID MOLD, RESILIENT MEANS BIASING SAID CYLINDER RELATIVE TO SAID PLUNGER AWAY FROM SAID MOLD, A NOZZLE ON THE END OF SAID CYLINDER WHICH IS ADJACENT TO SAID MOLD AND A PASSAGEWAY IN SAID MOLD IN ALIGNMENT WITH SAID NOZZLE WHEREBY, UPON MOVEMENT OF SAID PLUNGER TOWARDS SAID MOLD, MOLDING MATERIAL IN SAID CYLINDER IS COMPRESSED AND SAID CYLINDER IS THEREBY MOVED AGAINST THE FORCE OF SAID RESILIENT MEANS TOWARDS SAID MOLD, AND SAID MOLD IS THEREAFTER CLOSED, AND UPON FURTHER MOVEMENT OF SAID PLUNGER
Claim 2
Dependent Claim
127 words
INJECTION MOLDING APPARATUS COMPRISING, A PLUNGER, A CYLINDER IN SURROUNDING RELATIONSHIP TO SAID PLUNGER, A NORMALLY OPEN TWO-PART MOLD, ONE PART OF SAID MOLD BEING DISPOSED ADJACENT TO SAID CYLINDER AND BEING ADAPTED TO MOVE TOWARDS THE OTHER PART THEREOF TO CLOSE SAID MOLD, RESILIENT MEANS BIASING SAID CYLINDER RELATIVE TO SAID PLUNGER AWAY FROM SAID MOLD, A NOZZLE ON THE END OF SAID CYLINDER WHICH IS ADJACENT TO SAID MOLD AND A PASSAGEWAY IN SAID MOLD IN ALIGNMENT WITH SAID NOZZLE WHEREBY, UPON MOVEMENT OF SAID PLUNGER TOWARDS SAID MOLD, MOLDING MATERIAL IN SAID CYLINDER IS COMPRESSED AND SAID CYLINDER IS THEREBY MOVED AGAINST THE FORCE OF SAID RESILIENT MEANS TOWARDS SAID MOLD, AND SAID MOLD IS THEREAFTER CLOSED, AND UPON FURTHER MOVEMENT OF SAID PLUNGER
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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) | 1967-07-21 | 1968-01-20 | 1968-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-21 | 1972-01-20 | 1972-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-21 | 1976-01-20 | 1976-07-21 | $7700.00 | Window Closed / Lapsed |