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US2888809A
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Gas compression apparatus
Assignee: Carrier Corp
•
Filing: 1955-01-27
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Granted: 1959-06-02
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Expires: 1975-01-27
Abstract
No abstract record available.
Inventors
- 👤 Stanley J Rachfal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:50
CPC Classifications
F; F25; F25B; F25B1/00; F25B1/04; F25B1/053; F25B2400/00; F25B2400/13; F25B2400/23; Y; Y10; Y10S; Y10S62/00; Y10S62/21
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2075647A
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US2052305A
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US2117693A
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US2109964A
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US2277647A
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US2356370A
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US2470565A
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US2523451A
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GB704936A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-01 | 1962-12-01 | 1963-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-01 | 1966-12-01 | 1967-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-01 | 1970-12-01 | 1971-06-02 | $7700.00 | Window Closed / Lapsed |