Patent US2500365A successfully refreshed from Google Patents.
US3103705A
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US
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Master die assembly
Assignee: I AND G MOLD CORP
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Filing: 1962-10-09
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Granted: 1963-09-17
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Expires: 1982-10-09
Abstract
No abstract record available.
Inventors
- 👤 Letica Iiija
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:37
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/26; B29C45/2602; B22; B22D; B22D17/00; B22D17/20; B22D17/22; B22D17/24; B29C45/2673; B29C45/2675
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
A DIE ASSEMBLY COMPRISING: ELONGATED HOLDER MEANS INCLUDING ARTICLE EJECTOR MEANS, AND UPPER AND LOWER DIE BLOCK INSERTS; SAID HOLDER MEANS INCLUDING AN UPPER PORTION IN INTERFITTING ENGAGEMENT WITH SAID UPPER DIE BLOCK INSERT, A LOWER PORTION IN INTERFITTING ENGAGEMENT WITH SAID LOWER DIE BLOCK INSERT, AND CENTRAL TRANSVERSE PORTIONS ABUTTING THE ENDS OF SAID DIE BLOCK INSERTS; EACH OF SAID INTERFITTING ENGAGEMENTS COMPRISING A SLIDABLE DOVETAIL PROJECTION MEANS AND COOPERATING SLOT MEANS ORIENTED LONGITUDINALLY OF SAID ELONGATED HOLDER MEANS AND PROVIDING LATERAL ALIGNMENT AS WELL AS LATERAL AND VERTICAL STABILITY; CLAMPING PROJECTIONS SECURED TO BOTH SIDES OF EACH DIE BLOCK INSERT; AND TIGHTENING MEANS EXTENDING BETWEEN EACH OF SAID PROJECTIONS AND SAID CENTRAL TRANSVERSE PORTIONS TO HOLD SAID INSERTS TIGHTLY AGAINST SAID CENTRAL TRANSVERSE PORTIONS AND PROVIDE LONGITUDINAL STABILITY.
Claim 2
Dependent Claim
130 words
A DIE ASSEMBLY COMPRISING: ELONGATED HOLDER MEANS INCLUDING ARTICLE EJECTOR MEANS, AND UPPER AND LOWER DIE BLOCK INSERTS; SAID HOLDER MEANS INCLUDING AN UPPER PORTION IN INTERFITTING ENGAGEMENT WITH SAID UPPER DIE BLOCK INSERT, A LOWER PORTION IN INTERFITTING ENGAGEMENT WITH SAID LOWER DIE BLOCK INSERT, AND CENTRAL TRANSVERSE PORTIONS ABUTTING THE ENDS OF SAID DIE BLOCK INSERTS; EACH OF SAID INTERFITTING ENGAGEMENTS COMPRISING A SLIDABLE DOVETAIL PROJECTION MEANS AND COOPERATING SLOT MEANS ORIENTED LONGITUDINALLY OF SAID ELONGATED HOLDER MEANS AND PROVIDING LATERAL ALIGNMENT AS WELL AS LATERAL AND VERTICAL STABILITY; CLAMPING PROJECTIONS SECURED TO BOTH SIDES OF EACH DIE BLOCK INSERT; AND TIGHTENING MEANS EXTENDING BETWEEN EACH OF SAID PROJECTIONS AND SAID CENTRAL TRANSVERSE PORTIONS TO HOLD SAID INSERTS TIGHTLY AGAINST SAID CENTRAL TRANSVERSE PORTIONS AND PROVIDE LONGITUDINAL STABILITY.
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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) | 1966-09-16 | 1967-03-18 | 1967-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-16 | 1971-03-18 | 1971-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-16 | 1975-03-18 | 1975-09-17 | $7700.00 | Window Closed / Lapsed |