US2246472A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic power-accumulation system
Assignee: Baldwin Locomotive Works
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Filing: 1939-01-28
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Granted: 1941-06-17
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Expires: 1959-01-28
Abstract
No abstract record available.
Inventors
- 👤 Sharp Robert E Brunswick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:49
CPC Classifications
F; F03; F03B; F03B11/00; F03B11/004; F03B13/00; F03B13/06; F03B3/00; F03B3/10; F03B3/103; Y; Y02; Y02E; Y02E10/00; Y02E10/20; Y02E60/00; Y02E60/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1944-06-16 | 1944-12-16 | 1945-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-06-16 | 1948-12-16 | 1949-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-06-16 | 1952-12-16 | 1953-06-17 | $7700.00 | Window Closed / Lapsed |