US3103039A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molding apparatus
Assignee: Individual
•
Filing: 1959-07-23
•
Granted: 1963-09-10
•
Expires: 1979-07-23
Abstract
No abstract record available.
Inventors
- 👤 William H Robinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:35
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/26; B29C45/27; B29C45/278; B29C2045/2783
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
AN APPARATUS HAVING A MOLD CHAMBER, A BASE MEMBER HAVING A SURFACE DEFINING AT LEAST PART OF SAID MOLD CHAMBER, SAID BASE MEMBER HAVING A CAVITY INTERRUPTING SAID SURFACE AND DEFINING A MOLD CHAMBER INLET GATE THEREWITH, SAID CAVITY BEING DEFINED BY AN INTERNAL WALL OF SAID BASE MEMBER, A MOLDING MATERIAL DISPENSING NOZZLE DISPOSED IN SAID CAVITY AND HAVING AN EXTERNAL WALL SPACED FROM SAID INTERNAL WALL OF SAID BASE MEMBER WHEREBY SAID WALLS DEFINE AN INSULATING ZONE BETWEEN SAID BASE MEMBER AND SAID NOZZLE, INSULATING MEANS DISPOSED IN SAID INSULATING ZONE, AND A BLUNT-TIPPED INPERFORATE PROJECTION EXTENDING FROM SAID NOZZLE, SAID PROJECTION EXTENDING INTO AND BEING SPACED INWARDLY FROM THE SIDE WALLS OF SAID GATE, SAID NOZZLE HAVING AT LEAST ONE DISCHARGE PORT ECCENTRICALLY LOCATED RELATIVE TO SAID PROJECTION.
Claim 2
Independent Claim
131 words
AN APPARATUS HAVING A MOLD CHAMBER, A BASE MEMBER HAVING A SURFACE DEFINING AT LEAST PART OF SAID MOLD CHAMBER, SAID BASE MEMBER HAVING A CAVITY INTERRUPTING SAID SURFACE AND DEFINING A MOLD CHAMBER INLET GATE THEREWITH, SAID CAVITY BEING DEFINED BY AN INTERNAL WALL OF SAID BASE MEMBER, A MOLDING MATERIAL DISPENSING NOZZLE DISPOSED IN SAID CAVITY AND HAVING AN EXTERNAL WALL SPACED FROM SAID INTERNAL WALL OF SAID BASE MEMBER WHEREBY SAID WALLS DEFINE AN INSULATING ZONE BETWEEN SAID BASE MEMBER AND SAID NOZZLE, INSULATING MEANS DISPOSED IN SAID INSULATING ZONE, AND A BLUNT-TIPPED INPERFORATE PROJECTION EXTENDING FROM SAID NOZZLE, SAID PROJECTION EXTENDING INTO AND BEING SPACED INWARDLY FROM THE SIDE WALLS OF SAID GATE, SAID NOZZLE HAVING AT LEAST ONE DISCHARGE PORT ECCENTRICALLY LOCATED RELATIVE TO SAID PROJECTION.
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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) | 1966-09-09 | 1967-03-11 | 1967-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-09 | 1971-03-11 | 1971-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-09 | 1975-03-11 | 1975-09-10 | $7700.00 | Window Closed / Lapsed |