US2629907A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making molds
Assignee: Uniroyal Inc
•
Filing: 1949-04-19
•
Granted: 1953-03-03
•
Expires: 1969-04-19
Abstract
No abstract record available.
Inventors
- 👤 Richard H Hugger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:23
CPC Classifications
B; B22; B22C; B22C9/00; B22C9/06; B22C9/061; Y; Y10; Y10S; Y10S29/00; Y10S29/039; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49069; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31681
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A METHOD OF MAKING A SPRAYED METAL MOLD WHICH COMPRISES COATING A MOLD MODEL WITH A THIN, CONTINUOUS, UNIFORM, SMOOTH COATING OF A SYNTHETIC LINEAR CONDENSATION POLYAMIDE, SPRAYING MOLTEN METAL UPON THE POLYAMIDE-COATED SURFACE OBTAINED UNTIL A SPRAYED METAL LAYER OF THE DESIRED THICKNESS HAS BEEN BUILT UP, AND SUBSEQUENTLY SEPARATING SAID SPRAYED METAL LAYER FROM SAID MOLD MODEL.
Claim 2
Independent Claim
59 words
A METHOD OF MAKING A SPRAYED METAL MOLD WHICH COMPRISES COATING A MOLD MODEL WITH A THIN, CONTINUOUS, UNIFORM, SMOOTH COATING OF A SYNTHETIC LINEAR CONDENSATION POLYAMIDE, SPRAYING MOLTEN METAL UPON THE POLYAMIDE-COATED SURFACE OBTAINED UNTIL A SPRAYED METAL LAYER OF THE DESIRED THICKNESS HAS BEEN BUILT UP, AND SUBSEQUENTLY SEPARATING SAID SPRAYED METAL LAYER FROM SAID MOLD MODEL.
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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) | 1956-03-02 | 1956-09-01 | 1957-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-02 | 1960-09-01 | 1961-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-02 | 1964-09-01 | 1965-03-03 | $7700.00 | Window Closed / Lapsed |