US2138664A
Expired / Lapsed
US
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Compressor and lubricating means
Assignee: CROSLEY RADIO Corp
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Filing: 1937-01-21
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Granted: 1938-11-29
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Expires: 1957-01-21
Abstract
No abstract record available.
Inventors
- 👤 Roland H Money
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:11
CPC Classifications
F; F04; F04B; F04B27/00; F04B27/04; F04B27/0404; F04B27/0428; F04B35/00; F04B35/04; F04B39/00; F04B39/0094; F04B39/02; F04B39/0223; F04B39/023; F04B39/0261; F04B39/0269; F25; F25B; F25B31/00; F25B31/006; F25D; F25D23/00; F25D23/003; Y; Y10; Y10S; Y10S417/00; Y10S417/902
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1941-11-28 | 1942-05-30 | 1942-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-11-28 | 1946-05-30 | 1946-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-11-28 | 1950-05-30 | 1950-11-29 | $7700.00 | Window Closed / Lapsed |