US2889983A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Deaerator for hydraulic systems subject to high temperatures
Assignee: New York Air Brake LLC
•
Filing: 1957-05-17
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Granted: 1959-06-09
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Expires: 1977-05-17
Abstract
No abstract record available.
Inventors
- 👤 Stanley L Macklis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:36
CPC Classifications
B; B01; B01D; B01D19/00; B01D19/0042; B01D19/0052; B01D19/0073; B01D19/0078; B01J; B01J19/00; B01J19/08; B01J19/10; F; F15; F15B; F15B21/00; F15B21/04; F15B21/044
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US736976A
Cited
US1599502A
Cited
US2228816A
Cited
US2646133A
Cited
US2753010A
Cited
US2695133A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-08 | 1962-12-08 | 1963-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-08 | 1966-12-08 | 1967-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-08 | 1970-12-08 | 1971-06-09 | $7700.00 | Window Closed / Lapsed |