US3126592A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine foe making tedieaded molds
Assignee: —
•
Filing: —
•
Granted: 1964-03-31
•
Expires: 1981-03-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:59
CPC Classifications
B; B22; B22C; B22C13/00; B22C13/10; Y; Y10; Y10S; Y10S425/00; Y10S425/044
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
130 words
A MACHINE FOR MAKING MOLDS COMPRISING A HOLLOW MEMBER OPEN AT ONE END, A TUBULAR DIAPHRAGM DISPOSED IN SAID HOLLOW MEMBER AND HAVING ITS ENDS ATTACHED TO SAID HOLLOW MEMBER TO FORM AN ENCLOSURE TO RECEIVE A FLUID BETWEEN SAID DIAPHRAGM AND SAID HOLLOW MEMBER, A CYLINDRICAL PATTERN HAVING A SPIRAL GROOVE IN THE OUTSIDE SURFACE THEREOF WITHIN SAID TUBULAR DIAPHRAGM, SAID DIAPHRAGM BEING ADAPTED TO RECEIVE SAND AROUND SAID PATTERN, MEANS TO MOVE SAID PATTERN WITH SAND PACKED THEREAROUND INTO A FLASK, MEANS TO WITHDRAW SAID PATTERN FROM SAID SAND IN SAID FLASK, AND MEANS TO SIMULTANEOUSLY ROTATE SAID PATTERN AS IT IS BEING WITHDRAWN FROM SAID SAND AND TO THE END OF SAID HOLLOW MEMBER REMOTE FROM SAID FIRST MENTIONED END WHEREBY AN INTERNALLY THREADED MOLD IS PRODUCED.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-31 | 1967-09-30 | 1968-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-31 | 1971-09-30 | 1972-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-31 | 1975-09-30 | 1976-03-31 | $7700.00 | Window Closed / Lapsed |