US2570134A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Degasifying means in the lubrication system of elastic fluid compressors
Assignee: Worthington Pump and Machinery Corp
•
Filing: 1949-06-01
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Granted: 1951-10-02
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Expires: 1969-06-01
Abstract
No abstract record available.
Inventors
- 👤 John E Lancaster
- 👤 Haeberlein Max
- 👤 Everett C Schmachtenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:40
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/06; F04D29/063; F25; F25B; F25B31/00; F25B31/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR574873A
Cited
US2361393A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-01 | 1955-04-02 | 1955-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-01 | 1959-04-02 | 1959-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-01 | 1963-04-02 | 1963-10-02 | $7700.00 | Window Closed / Lapsed |