Patent US2426447A successfully refreshed from Google Patents.
US2426447A
Expired / Lapsed
US
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Shock absorber
Assignee: Individual
•
Filing: 1942-08-11
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Granted: 1947-08-26
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Expires: 1962-08-11
Abstract
No abstract record available.
Inventors
- 👤 John N Gladden
- 👤 Giles A Kendall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:32
CPC Classifications
B; B64; B64C; B64C25/00; B64C25/32; B64C25/58; B64C25/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US65135A
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US1136968A
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US1487777A
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US1621261A
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US1767105A
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US1780659A
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US1856660A
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US1950995A
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US2107494A
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US2213819A
Cited
US2231332A
Cited
US2248836A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-08-25 | 1951-02-24 | 1951-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-08-25 | 1955-02-24 | 1955-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-08-25 | 1959-02-24 | 1959-08-26 | $7700.00 | Window Closed / Lapsed |