US2862656A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-stage compressor
Assignee: ANNA COLTON
•
Filing: 1955-04-04
•
Granted: 1958-12-02
•
Expires: 1975-04-04
Abstract
No abstract record available.
Inventors
- 👤 Milton M Kadison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:28
CPC Classifications
F; F04; F04B; F04B39/00; F04B39/02; F04B39/0284; F04B39/0292; F04B27/00; F04B27/02; F04B35/00; F04B35/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1158030A
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US1452253A
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US1730116A
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US1937237A
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US2074323A
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US2202175A
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US2403814A
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US2452807A
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US2578568A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-01 | 1962-06-02 | 1962-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-01 | 1966-06-02 | 1966-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-01 | 1970-06-02 | 1970-12-02 | $7700.00 | Window Closed / Lapsed |