US3383824A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for installing or replacing the lining of rotary kilns
Assignee: Didier Werke AG
•
Filing: 1965-12-15
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Granted: 1968-05-21
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Expires: 1985-12-15
Abstract
No abstract record available.
Inventors
- 👤 Linnemann Rolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:49
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/04; C08J9/06; C08J9/08; E; E04; E04F; E04F21/00; E04F21/02; F; F23; F23M; F23M5/00; F27; F27B; F27B7/00; F27B7/20; F27B7/28; F27D; F27D1/00; F27D1/16; F27D1/1621; C08J2327/00; F23M2700/00; F23M2700/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1304945A
Cited
US2264054A
Cited
US2486801A
Cited
US3075359A
Cited
US3206824A
Cited
US3298155A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-21 | 1971-11-20 | 1972-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-21 | 1975-11-20 | 1976-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-21 | 1979-11-20 | 1980-05-21 | $7700.00 | Window Closed / Lapsed |