Patent US2437844A successfully refreshed from Google Patents.
US2437844A
Expired / Lapsed
US
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Wheel suspension
Assignee: American Motors Corp
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Filing: 1942-01-22
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Granted: 1948-03-16
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Expires: 1962-01-22
Abstract
No abstract record available.
Inventors
- 👤 Wahlberg Nils Erik
- 👤 Gustav V Hedstrom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:50
CPC Classifications
B; B60; B60G; B60G11/00; B60G11/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US133010A
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US731174A
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US859607A
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US1082246A
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US1445669A
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US1871390A
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US2010368A
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GB429596A
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DE616971C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-03-16 | 1951-09-15 | 1952-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-16 | 1955-09-15 | 1956-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-16 | 1959-09-15 | 1960-03-16 | $7700.00 | Window Closed / Lapsed |