US3424370A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas compression systems
Assignee: Elliott Turbomachinery Co Inc
•
Filing: 1967-03-13
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Granted: 1969-01-28
•
Expires: 1987-03-13
Abstract
No abstract record available.
Inventors
- 👤 John Law
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:23
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/20; G05D16/2006; G05D16/2013; G05D16/2026; F; F04; F04D; F04D27/00; F04D27/02; F04D27/0284
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2696345A
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US2632307A
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US3027904A
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US2929547A
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US3007414A
Cited
US2955745A
Cited
US2938536A
Cited
US3068796A
Cited
US3332605A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-28 | 1972-07-29 | 1973-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-28 | 1976-07-29 | 1977-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-28 | 1980-07-29 | 1981-01-28 | $7700.00 | Window Closed / Lapsed |