US3094375A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing artistic castings
Assignee: Individual
•
Filing: 1961-11-13
•
Granted: 1963-06-18
•
Expires: 1981-11-13
Abstract
No abstract record available.
Inventors
- 👤 Edward J Halford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:49
CPC Classifications
B; B44; B44C; B44C3/00; B44C3/04; B44C3/042; B44C3/046; Y; Y10; Y10S; Y10S425/00; Y10S425/012
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A METHOD OF CASTING AN ARTICLE COMPRISING THE STEPS OF MELTING A WAX SUBSTANCE IN A CONTAINER OF PREDETERMINED DIMENSIONS; INTRODUCING INTO THE CONTAINER A COOLING LIQUID IMMISCIBLE IN RELATION TO THE MELTED WAX, THE COOLING LIQUID HAVING A TEMPERATURE OF VAPORIZATION GREATER THAN THE MELTING POINT OF THE WAX WHEREBY THE WAX IS COOLED BELOW ITS MELTING POINT THEREBY FORMING A PATTERN HAVING A CONFIGURATION PROVIDED WITH A PLURALITY
Claim 2
Independent Claim
70 words
A METHOD OF CASTING AN ARTICLE COMPRISING THE STEPS OF MELTING A WAX SUBSTANCE IN A CONTAINER OF PREDETERMINED DIMENSIONS; INTRODUCING INTO THE CONTAINER A COOLING LIQUID IMMISCIBLE IN RELATION TO THE MELTED WAX, THE COOLING LIQUID HAVING A TEMPERATURE OF VAPORIZATION GREATER THAN THE MELTING POINT OF THE WAX WHEREBY THE WAX IS COOLED BELOW ITS MELTING POINT THEREBY FORMING A PATTERN HAVING A CONFIGURATION PROVIDED WITH A PLURALITY
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) | 1966-06-17 | 1966-12-17 | 1967-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-17 | 1970-12-17 | 1971-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-17 | 1974-12-17 | 1975-06-18 | $7700.00 | Window Closed / Lapsed |