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US3467165A
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Method of making foundry molds
Assignee: GEORGI S ANGELOFF
•
Filing: 1965-10-22
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Granted: 1969-09-16
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Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 Georgi S Angeloff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:18
CPC Classifications
B; B22; B22C; B22C1/00; B22C1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3144346A
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US2830343A
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US3021291A
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US3037252A
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US3107403A
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US3258349A
Cited
US3367393A
Cited
US3362463A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-15 | 1973-03-17 | 1973-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-15 | 1977-03-17 | 1977-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-15 | 1981-03-17 | 1981-09-16 | $7700.00 | Window Closed / Lapsed |