Patent US2148029A successfully refreshed from Google Patents.
US2148029A
Expired / Lapsed
US
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Independently sprung front wheel
Assignee: Mack Manufacturing Corp
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Filing: 1937-08-06
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Granted: 1939-02-21
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Expires: 1957-08-06
Abstract
No abstract record available.
Inventors
- 👤 Philip E Matthews
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:18
CPC Classifications
B; B60; B60G; B60G13/00; B60G11/00; B60G11/18; B60G11/181; B60G2204/00; B60G2204/10; B60G2204/12; B60G2204/128; B60G2204/129; B60G2204/13; B60G2204/1302; B60G2204/40; B60G2204/421; B60G2206/00; B60G2206/01; B60G2206/40; B60G2206/41; B60G2206/42
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) | 1942-02-20 | 1942-08-22 | 1943-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-02-20 | 1946-08-22 | 1947-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-02-20 | 1950-08-22 | 1951-02-21 | $7700.00 | Window Closed / Lapsed |