Patent US3455682A successfully refreshed from Google Patents.
US3455682A
Expired / Lapsed
US
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Isostatic hot pressing of refractory bodies
Assignee: EIDP Inc
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Filing: 1967-07-31
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Granted: 1969-07-15
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Expires: 1987-07-31
Abstract
No abstract record available.
Inventors
- 👤 Glen D Barbaras
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:35
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/622; C04B35/64; C04B35/645; C04B35/6455; B; B22; B22F; B22F3/00; B22F3/12; B22F3/14; B22F3/15; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4998; Y10T29/49982; Y10T29/49986
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2568157A
Cited
US3344209A
Cited
US2510546A
Cited
US2928733A
Cited
US3284195A
Cited
US3279917A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-14 | 1973-01-13 | 1973-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-14 | 1977-01-13 | 1977-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-14 | 1981-01-13 | 1981-07-15 | $7700.00 | Window Closed / Lapsed |