Patent US3704699A successfully refreshed from Google Patents.
US2689136A
Expired / Lapsed
US
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Resilient suspension
Assignee: HENDRICKSON MOTOR TRUCK CO
•
Filing: 1953-12-02
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Granted: 1954-09-14
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Expires: 1973-12-02
Abstract
No abstract record available.
Inventors
- 👤 Robert T Hendrickson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:40
CPC Classifications
B; B60; B60G; B60G11/00; B60G11/22; B60G5/00; B60G5/02; B60G5/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1731387A
Cited
US1937581A
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US1912498A
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US1977896A
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US2162714A
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US2237575A
Cited
US2493004A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-13 | 1958-03-15 | 1958-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-13 | 1962-03-15 | 1962-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-13 | 1966-03-15 | 1966-09-14 | $7700.00 | Window Closed / Lapsed |