US3101516A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Casting mold and method of making the same
Assignee: US Philips Corp
•
Filing: 1959-06-09
•
Granted: 1963-08-27
•
Expires: 1979-06-09
Abstract
No abstract record available.
Inventors
- 👤 Hokkeling Pieter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:29
CPC Classifications
B; B22; B22C; B22C9/00; B22C9/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A METHOD OF MANUFACTURING CASTING MOLDS HAVING PARALLEL PLANAR SURFACES ADAPTED FOR STOCKING FROM SAND AND SYNTHETIC MATERIAL WHICH COMPRISES FILLING A MODEL PLATE WITH THE SAND AND A HEAT HARDENABLE SYNTHETIC MATERIAL, HEATING THE MODEL PLATE CONTAINING SAID MATERIAL TO FORM THE CASTING MOLD, AND FLATTENING THE CASTING MOLD AFTER HEATING AND WHILE STILL IN THE MODEL PLATE BY SCOURING.
Claim 2
Independent Claim
61 words
A METHOD OF MANUFACTURING CASTING MOLDS HAVING PARALLEL PLANAR SURFACES ADAPTED FOR STOCKING FROM SAND AND SYNTHETIC MATERIAL WHICH COMPRISES FILLING A MODEL PLATE WITH THE SAND AND A HEAT HARDENABLE SYNTHETIC MATERIAL, HEATING THE MODEL PLATE CONTAINING SAID MATERIAL TO FORM THE CASTING MOLD, AND FLATTENING THE CASTING MOLD AFTER HEATING AND WHILE STILL IN THE MODEL PLATE BY SCOURING.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-08-26 | 1967-02-25 | 1967-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-26 | 1971-02-25 | 1971-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-26 | 1975-02-25 | 1975-08-27 | $7700.00 | Window Closed / Lapsed |