US2479359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unloading valve
Assignee: Borg Warner Corp
•
Filing: 1943-10-06
•
Granted: 1949-08-16
•
Expires: 1963-10-06
Abstract
No abstract record available.
Inventors
- 👤 Ray G Holt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:27
CPC Classifications
F; F04; F04B; F04B49/00; F04B49/06; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2574; Y10T137/2605; Y10T137/2622; Y10T137/2625; Y10T137/7722; Y10T137/7758; Y10T137/7762; Y10T137/7769; Y10T137/777
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1911530A
Cited
US1326603A
Cited
US703320A
Cited
US722302A
Cited
US891568A
Cited
US1148054A
Cited
US1252312A
Cited
US1110567A
Cited
US1451481A
Cited
US1712791A
Cited
US1636561A
Cited
US2004793A
Cited
US2035237A
Cited
US2251441A
Cited
US2214817A
Cited
US2365282A
Cited
US2312877A
Cited
US2363117A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-15 | 1953-02-14 | 1953-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-15 | 1957-02-14 | 1957-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-15 | 1961-02-14 | 1961-08-16 | $7700.00 | Window Closed / Lapsed |