US3222725A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molding process and apparatus
Assignee: Neirad Industries Inc
•
Filing: 1961-10-25
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Granted: 1965-12-14
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Expires: 1981-10-25
Abstract
No abstract record available.
Inventors
- 👤 Millard F Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:29
CPC Classifications
B; B29; B29C; B29C41/00; B29C41/34; B29C41/46; B29C41/02; B29C41/08; B29C41/18; B29K; B29K2105/00; B29K2105/25; B29K2105/251; Y; Y10; Y10S; Y10S264/00; Y10S264/72
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
120 words
APPARATUS FOR MAKING MOLDED ARTICLES HAVING DIFFERENT PREDETERMINED WALL THICKNESSES COMPRISING A. A MOLD HAVING A MOLDING SURFACE B. A PLURALITY OF INDEPENDENT TEMPERATURE CONTROL MEANS EACH EMBEDDED IN THE MOLD AKJACENT OT A DIFFERENT SELECTED PORTION OF THE MOLDING SURFACE FOR INDEPENDENTLY VARYING THE TEMPERATURE OF THE SURFACE IN DIFFERENET ONES OF SAID SELECTED PORTIONS OF THE MOLDING SURFACE, C. AND MEANS TO DELIVER FINELY DIVIDED SOLIDIFIABLE MATERIAL SUSPENDED IN A FLOWING STREAM OF GAS TOWARD THE MOLDING SURFACE, INDLUDING (1) A STREAM DELIVERY CONDUIT MOVABLE INTO A FIXED DELIVERY POSITION NEAR THE MOLDING SURFACE (2) AND ORIFICE MEANS COMMUNICATING WITH THE CONDUIT AND DIRECTING THE STREAM TOWARD THE MOLDING SURFACE WHEN THE CONDUIT IS IN ITS DELIVERY POSITION.
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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) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |