US2618433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for bleeding air from compressors
Assignee: Curtiss Wright Corp
•
Filing: 1948-06-23
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Granted: 1952-11-18
•
Expires: 1968-06-23
Abstract
No abstract record available.
Inventors
- 👤 Robert A Loos
- 👤 Bernard J Mezger
- 👤 Modrovsky Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:10
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/12; F02C7/16; F02C7/18; F01; F01D; F01D5/00; F01D5/02; F01D5/08; F01D5/081; F01D5/085; F04; F04D; F04D27/00; F04D27/02; F04D27/0207; F04D27/023; F04D29/00; F04D29/26; F04D29/32; F04D29/321; Y; Y02; Y02T; Y02T50/00; Y02T50/60; Y10; Y10S; Y10S415/00; Y10S415/914
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US874356A
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US1368751A
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US1960810A
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DE665762C
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US2211857A
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US2405768A
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US2520697A
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US2501614A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-18 | 1956-05-19 | 1956-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-18 | 1960-05-19 | 1960-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-18 | 1964-05-19 | 1964-11-18 | $7700.00 | Window Closed / Lapsed |