US3335787A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic mold testing apparatus
Assignee: Harry W Dietert Co
•
Filing: 1964-08-05
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Granted: 1967-08-15
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Expires: 1984-08-05
Abstract
No abstract record available.
Inventors
- 👤 Harry W Dietert
- 👤 Ralph E Steinmueller
- 👤 Alexander L Graham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:29
CPC Classifications
B; B22; B22C; B22C13/00; B22C13/12; B22C15/00; B22C15/28; B22C15/30; B22C19/00; B22C19/04; B22C5/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
70 words
MOLD FORMING APPARATUS INCLUDING A FLASK, A PATTERN WITHIN THE FLASK, MEANS OPERABLY ASSOCIATED WITH THE FLASK AND PATTERN FOR FORMING A GRANULAR MATERIAL MOLD IN THE FLASK OVER THE PATTERN, MEANS EXTENDING INTO THE FLASK FOR TESTING AT LEAST ONE PHYSICAL PROPERTY OF THE MOLD WITH THE MOLD IN POSITION ON THE PATTERN AND MEANS FOR CONTROLLING THE FORMING OF THE MOLD IN ACCORDANCE WITH THE PHYSICAL PROPERTY TESTED.
References Cited (Backward Citations)
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US2791120A
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US2835939A
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US2825946A
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US2858696A
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US2867870A
Cited
US3172285A
Cited
US3136010A
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US3156112A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-14 | 1971-02-13 | 1971-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-14 | 1975-02-13 | 1975-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-14 | 1979-02-13 | 1979-08-15 | $7700.00 | Window Closed / Lapsed |