US2811385A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shock dissipating device
Assignee: Individual
•
Filing: 1951-09-06
•
Granted: 1957-10-29
•
Expires: 1971-09-06
Abstract
No abstract record available.
Inventors
- 👤 Clifford L Butler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:32
CPC Classifications
B; B60; B60R; B60R19/00; B60R19/02; B60R19/24; B60R19/26; B60R19/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US994531A
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US1020445A
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US1655978A
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US1691398A
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US1754104A
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US1799065A
Cited
US2022253A
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US1998388A
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US2401748A
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US2510815A
Cited
US2557105A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-28 | 1961-04-29 | 1961-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-28 | 1965-04-29 | 1965-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-28 | 1969-04-29 | 1969-10-29 | $7700.00 | Window Closed / Lapsed |