US3396217A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming and firing a ceramic mass
Assignee: Individual
•
Filing: 1967-10-25
•
Granted: 1968-08-06
•
Expires: 1987-10-25
Abstract
No abstract record available.
Inventors
- 👤 Foster Harley Banner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:34
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/622; C04B35/626; C04B35/63; C04B35/6303; C04B33/00; C04B33/32; C04B35/64; C04B35/65; C04B35/66; C04B2235/00; C04B2235/02; C04B2235/30; C04B2235/34; C04B2235/3427
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2877125A
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US2805448A
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US2949704A
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US3274304A
Cited
US3354245A
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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) | 1971-08-06 | 1972-02-05 | 1972-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-06 | 1976-02-05 | 1976-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-06 | 1980-02-05 | 1980-08-06 | $7700.00 | Window Closed / Lapsed |