US2984887A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for manufacturing ceramics
Assignee: General Electric Co
•
Filing: 1958-01-30
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Granted: 1961-05-23
•
Expires: 1978-01-30
Abstract
No abstract record available.
Inventors
- 👤 Ludwig E Thiess
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:20
CPC Classifications
B; B28; B28B; B28B7/00; B28B7/34; B28B7/344; B28B13/00; B28B13/04; B28B13/06; B28B13/065; B28B7/10; B28B7/12; B28B7/40; B28B7/42; Y; Y10; Y10S; Y10S264/00; Y10S264/46; Y10S425/00; Y10S425/013
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1592536A
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US1987336A
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US2026624A
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US2273015A
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US2317597A
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GB668266A
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US2522298A
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FR1114683A
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US2809898A
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FR1140221A
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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) | 1964-05-22 | 1964-11-21 | 1965-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-22 | 1968-11-21 | 1969-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-22 | 1972-11-21 | 1973-05-23 | $7700.00 | Window Closed / Lapsed |