Patent US2808003A successfully refreshed from Google Patents.
US2808003A
Expired / Lapsed
US
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Injection pumps
Assignee: IHO Holding GmbH and Co KG
•
Filing: 1952-04-02
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Granted: 1957-10-01
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Expires: 1972-04-02
Abstract
No abstract record available.
Inventors
- 👤 Staege Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:52
CPC Classifications
F; F02; F02M; F02M59/00; F02M59/20; F02M59/36; F02M2700/00; F02M2700/13; F02M2700/1317
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US355669A
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US833457A
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US789430A
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US1430956A
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US1940524A
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US2230622A
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US2470540A
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US2612842A
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US2576263A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-30 | 1961-04-01 | 1961-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-30 | 1965-04-01 | 1965-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-30 | 1969-04-01 | 1969-10-01 | $7700.00 | Window Closed / Lapsed |