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US2937503A
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US
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Turbo-expander-compressor units
Assignee: Cameron Solutions Inc
•
Filing: 1955-09-19
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Granted: 1960-05-24
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Expires: 1975-09-19
Abstract
No abstract record available.
Inventors
- 👤 Judson S Swearingen
- 👤 David J Cozad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:30
CPC Classifications
F; F25; F25B; F25B9/00; F25B9/06; Y; Y10; Y10S; Y10S62/00; Y10S62/902; Y10S62/91; Y10S62/911
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1123588A
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US1704649A
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US2309075A
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US2492672A
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US2635804A
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US2692081A
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US2703674A
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US2814936A
Cited
US2873814A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-24 | 1963-11-23 | 1964-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-24 | 1967-11-23 | 1968-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-24 | 1971-11-23 | 1972-05-24 | $7700.00 | Window Closed / Lapsed |