US2901242A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid spring
Assignee: Uniroyal Inc
•
Filing: 1955-03-21
•
Granted: 1959-08-25
•
Expires: 1975-03-21
Abstract
No abstract record available.
Inventors
- 👤 Daniel R Elliott
- 👤 Eugene H Culp
- 👤 Jr William H Hulswit
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:57
CPC Classifications
B; B60; B60G; B60G17/00; B60G17/02; B60G17/04; B60G17/052; B60G11/00; B60G11/26; B60G11/27; B60G11/30; F; F16; F16F; F16F9/00; F16F9/02; F16F9/04; F16F9/0436; F16F9/0454; Y; Y10; Y10S; Y10S280/00; Y10S280/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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FR707078A
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GB400616A
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US2023135A
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US2056106A
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US2231359A
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US2257913A
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US2578730A
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US2587470A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-24 | 1963-02-23 | 1963-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-24 | 1967-02-23 | 1967-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-24 | 1971-02-23 | 1971-08-25 | $7700.00 | Window Closed / Lapsed |