Patent US1416355A successfully refreshed from Google Patents.
Patent US2850325A successfully refreshed from Google Patents.
US2850325A
Expired / Lapsed
US
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Nozzle and control assembly for the introduction of fluid material into a heated chamber
Assignee: VER OSTENEICHISCHE EISEN und S
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Filing: 1957-02-14
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Granted: 1958-09-02
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Expires: 1977-02-14
Abstract
No abstract record available.
Inventors
- 👤 Suess Theodor Eduard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:13
CPC Classifications
F; F23; F23D; F23D14/00; F23D14/46; F23D14/72; F23D14/78
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-01 | 1962-03-03 | 1962-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-01 | 1966-03-03 | 1966-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-01 | 1970-03-03 | 1970-09-02 | $7700.00 | Window Closed / Lapsed |