US3131432A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic injection molding machines
Assignee: United Shoe Machinery Corp
•
Filing: 1961-02-16
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Granted: 1964-05-05
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Expires: 1981-02-16
Abstract
No abstract record available.
Inventors
- 👤 Leslie C Battell
- 👤 Donald B Mcilvin
- 👤 Raymond L Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:15
CPC Classifications
B; B29; B29D; B29D35/00; B29D35/0009; B29C; B29C45/00; B29C45/03; Y; Y10; Y10S; Y10S425/00; Y10S425/20; Y10S425/201
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
207 words
IN A PLASTIC INJECTION MOLDING MACHINE A MOLD CHARGER INCLUDING AN INJECTION NOZZLE, A PRESSURE PLATEN ARRANGED IN SPACED RELATION TO THE NOZZLE, A CARRIAGE, A CONVEYOR FOR TRANSFERRING THE CARRIAGE FROM A LOADING STATION INTO A CHARGING STATION IN WHICH IT IS POSITIONED BETWEEN THE NOZZLE AND THE PLATEN, A PACKAGE FOR MOUNTING A SHOE SUPPORT AND MOLD ELEMENTS, MEANS FOR REMOVABLY SECURING THE PACKAGE TO THE CARRIAGE, SAID PACKAGE COMPRISING A BASE CONSTRUCTED TO RECEIVE A PLURALITY OF MOLD ELEMENTS, A COVER FOR MOUNTING A SHOE FORM, MEANS MOUNTING THE COVER ON THE BASE FOR HINGING MOVEMENT RELATIVELY TO THE BASE AND FOR A MOVEMENT OF TRANSLATION RELATIVELY TO THE BASE, AND A PLURALITY OF SPRINGS INCORPORATED IN THE PACKAGE AND CONSTRUCTED AND ARRANGED TO SUPPORT THE COVER IN AN INTERMEDIATE POSITION IN WHICH THE SHOE FORM IS SPACED FROM THE MOLD MEMBERS AND THE COVER IS SO POSITIONED RELATIVELY TO THE BASE THAT IT IS BROUGHT INTO PROXIMATE RELATION TO THE PLATEN BY THE TRANSFER OF THE CARRIAGE FROM THE LOAD-STATION TO THE CHARGING STATION, AND A LEVER FOR ACTUATING THE PLATEN TO MOVE THE COVER FROM ITS INTERMEDIATE POSITION INTO A MOLD CLOSING POSITION IN WHICH A SHOE ON THE SHOE FORM IS
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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) | 1967-05-05 | 1967-11-04 | 1968-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-05 | 1971-11-04 | 1972-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-05 | 1975-11-04 | 1976-05-05 | $7700.00 | Window Closed / Lapsed |