US2639198A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cylinder bearing and packing
Assignee: New York Air Brake LLC
•
Filing: 1949-08-31
•
Granted: 1953-05-19
•
Expires: 1969-08-31
Abstract
No abstract record available.
Inventors
- 👤 Kirkham Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:16
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/32; F16J15/3204; F16J15/3232; F16J15/3236; Y; Y10; Y10S; Y10S285/00; Y10S285/91
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1511397A
Cited
US1712003A
Cited
US2141122A
Cited
US2204915A
Cited
US2259940A
Cited
US2415887A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-18 | 1956-11-17 | 1957-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-18 | 1960-11-17 | 1961-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-18 | 1964-11-17 | 1965-05-19 | $7700.00 | Window Closed / Lapsed |