US2463950A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gear type rotary pump and motor hydraulic transmission
Assignee: DORSEY SPENCER H
•
Filing: 1944-07-20
•
Granted: 1949-03-08
•
Expires: 1964-07-20
Abstract
No abstract record available.
Inventors
- 👤 Morris B Carroll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:39
CPC Classifications
F; F16; F16H; F16H39/00; F16H39/04; F16H39/06; F16H39/34; F16H39/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US711662A
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US815522A
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US788848A
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US1647621A
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US1742215A
Cited
DE511495C
Cited
US1870824A
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US2052419A
Cited
GB448953A
Cited
US2079375A
Cited
US2149326A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-07 | 1952-09-06 | 1953-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-07 | 1956-09-06 | 1957-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-07 | 1960-09-06 | 1961-03-08 | $7700.00 | Window Closed / Lapsed |