US2846742A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pattern and method of molding
Assignee: Bean Morris and Co
•
Filing: 1953-04-17
•
Granted: 1958-08-12
•
Expires: 1973-04-17
Abstract
No abstract record available.
Inventors
- 👤 Paul W Wagner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:36
CPC Classifications
B; B22; B22C; B22C7/00; B22C7/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
23 words
PATTERN EQUIPMENT FOR MAKING OF MOLDS AND CORES, FOR METAL CASTING WHICH COMPRISES A MOLDED COMPOSITION OF SAND BONDED WITH AN EPOXY RESIN.
Claim 2
Dependent Claim
23 words
PATTERN EQUIPMENT FOR MAKING OF MOLDS AND CORES, FOR METAL CASTING WHICH COMPRISES A MOLDED COMPOSITION OF SAND BONDED WITH AN EPOXY RESIN.
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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) | 1961-08-11 | 1962-02-10 | 1962-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-11 | 1966-02-10 | 1966-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-11 | 1970-02-10 | 1970-08-12 | $7700.00 | Window Closed / Lapsed |