Patent US2530720A successfully refreshed from Google Patents.
US2530720A
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Hydraulic vehicle drive with individual motors for multiple driven parts
Assignee: MUNICIPAL SUPPLY Co
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Filing: 1944-03-04
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Granted: 1950-11-21
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Expires: 1964-03-04
Abstract
No abstract record available.
Inventors
- 👤 Howard E Paulson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:13
CPC Classifications
F; F15; F15B; F15B11/00; F15B11/16; F15B11/17; E; E01; E01H; E01H1/00; E01H1/02; E01H1/04; F15B2211/00; F15B2211/20; F15B2211/205; F15B2211/20576; F15B2211/30; F15B2211/305; F15B2211/30505; F15B2211/32; F15B2211/321; F15B2211/324; F15B2211/50; F15B2211/505; F15B2211/50509; F15B2211/50518; F15B2211/515; F15B2211/5153; F15B2211/555; F15B2211/70; F15B2211/71; F15B2211/7142
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US639541A
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FR413217A
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US1179736A
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US1059136A
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US1803932A
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US1932760A
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US1982711A
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US2006280A
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US2300280A
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US2228411A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-20 | 1954-05-22 | 1954-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-20 | 1958-05-22 | 1958-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-20 | 1962-05-22 | 1962-11-21 | $7700.00 | Window Closed / Lapsed |