US3432312A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refractory mold composition and method
Assignee: Howmet Turbine Components Corp
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Filing: 1965-09-08
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Granted: 1969-03-11
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Expires: 1985-09-08
Abstract
No abstract record available.
Inventors
- 👤 Roy C Feagin
- 👤 Edward L Dahowski
- 👤 Peter Kosmos
- 👤 Ronald R Robb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:36
CPC Classifications
B; B22; B22C; B22C1/00; B22C1/16; B22C1/20; B22C1/205
Claims Analysis
Total Claims: 0
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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) | 1972-03-10 | 1972-09-09 | 1973-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-10 | 1976-09-09 | 1977-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-10 | 1980-09-09 | 1981-03-11 | $7700.00 | Window Closed / Lapsed |