US3411702A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controlling gas compression systems
Assignee: Elliott Turbomachinery Co Inc
•
Filing: 1967-03-13
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Granted: 1968-11-19
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Expires: 1987-03-13
Abstract
No abstract record available.
Inventors
- 👤 Melvin O Metot
- 👤 Henry P C Gregor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:03
CPC Classifications
F; F04; F04D; F04D27/00; F04D27/02; F04D27/0207; G; G05; G05D; G05D16/00; G05D16/20; G05D16/2006; G05D16/2013; G05D16/2026
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2696345A
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US3007414A
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US2938536A
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US3092305A
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US3095532A
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US3292845A
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US3968796A
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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) | 1971-11-19 | 1972-05-20 | 1972-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-19 | 1976-05-20 | 1976-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-19 | 1980-05-20 | 1980-11-19 | $7700.00 | Window Closed / Lapsed |