US3195341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Die apparatus
Assignee: NL Industries Inc
•
Filing: 1961-11-20
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Granted: 1965-07-20
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Expires: 1981-11-20
Abstract
No abstract record available.
Inventors
- 👤 Zunich Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:26
CPC Classifications
B; B21; B21D; B21D37/00; B21D37/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
DIE APPARATUS COMPRISING A FIRST RELATIVELY EXPENSIVE DIE PORTION FORMED OF METALLIC MATERIAL AND A SECOND RELATIVELY INEXPENSIVE DIE PORTION FORMED PRINCIPALLY OF SAND AND INCLUDING BINDER MEANS FOR RETAINING THE PROPER CONFIGURATION OF THE SECOND PORTION, SAID FIRST AND SECOND PORTIONS INCLUDING COMPLEMENTARY FACING CONTACTING SURFACES WHEREBY SAID FIRST PORTION SERVES AS BACKING PLATE MEANS FOR SAID SECOND PORTION, ATTACHING MEANS RIGIDLY AFFIXED TO SAID SECOND PORTION AND EXTENDING OUTWARDLY FROM THE SAID SURFACE ASSOCIATED THEREWITH, SAID FIRST PORTION HAVING OPENING MEANS FOR RECEIVING SAID ATTACHING MEANS, AND MEANS REMOVABLY ENGAGING SAID ATTACHING MEANS FOR AFFIXING SAID FIRST PORTION TO SAID SECOND PORTION AND PERMITTING THE FIRST AND SECOND PORTIONS TO BE DETACHED FROM ONE ANOTHER SO THAT SAID FIRST PORTION CAN BE READILY REMOVED, SAID FIRST PORTION BEING ADAPTED TO BE SECURED TO THE SHOE OF A PRESS FOR SECURING THE FIRST AND SECOND DIE PORTIONS TO SUCH SHOE.
Claim 2
Dependent Claim
151 words
DIE APPARATUS COMPRISING A FIRST RELATIVELY EXPENSIVE DIE PORTION FORMED OF METALLIC MATERIAL AND A SECOND RELATIVELY INEXPENSIVE DIE PORTION FORMED PRINCIPALLY OF SAND AND INCLUDING BINDER MEANS FOR RETAINING THE PROPER CONFIGURATION OF THE SECOND PORTION, SAID FIRST AND SECOND PORTIONS INCLUDING COMPLEMENTARY FACING CONTACTING SURFACES WHEREBY SAID FIRST PORTION SERVES AS BACKING PLATE MEANS FOR SAID SECOND PORTION, ATTACHING MEANS RIGIDLY AFFIXED TO SAID SECOND PORTION AND EXTENDING OUTWARDLY FROM THE SAID SURFACE ASSOCIATED THEREWITH, SAID FIRST PORTION HAVING OPENING MEANS FOR RECEIVING SAID ATTACHING MEANS, AND MEANS REMOVABLY ENGAGING SAID ATTACHING MEANS FOR AFFIXING SAID FIRST PORTION TO SAID SECOND PORTION AND PERMITTING THE FIRST AND SECOND PORTIONS TO BE DETACHED FROM ONE ANOTHER SO THAT SAID FIRST PORTION CAN BE READILY REMOVED, SAID FIRST PORTION BEING ADAPTED TO BE SECURED TO THE SHOE OF A PRESS FOR SECURING THE FIRST AND SECOND DIE PORTIONS TO SUCH SHOE.
References Cited (Backward Citations)
US539896A
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US1881517A
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US2206812A
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US2836530A
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US2887971A
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US3034465A
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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) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |