US2999466A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump
Assignee: Ingersoll Rand Co
•
Filing: 1959-09-23
•
Granted: 1961-09-12
•
Expires: 1979-09-23
Abstract
No abstract record available.
Inventors
- 👤 Hornschuch Hanns
- 👤 Horst E Greve
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:58
CPC Classifications
F; F04; F04C; F04C2/00; F04C2/08; F04C2/12; F04C2/14; F04C2/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US870311A
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US2325617A
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US2258371A
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US2220588A
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US2349022A
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US2362106A
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US2403796A
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US2467524A
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US2567699A
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US2633083A
Cited
US2868442A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-11 | 1965-03-13 | 1965-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-11 | 1969-03-13 | 1969-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-11 | 1973-03-13 | 1973-09-12 | $7700.00 | Window Closed / Lapsed |