Patent EP0385693A1 successfully refreshed from Google Patents.
US2559903A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring dampener
Assignee: CLEVELAND WIRE SPRING Co
•
Filing: 1947-01-31
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Granted: 1951-07-10
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Expires: 1967-01-31
Abstract
No abstract record available.
Inventors
- 👤 John L Sjolander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:24
CPC Classifications
F; F16; F16F; F16F13/00; F16F13/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US803413A
Cited
US1989433A
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US1988341A
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US2042647A
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US1988295A
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US2189208A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-09 | 1955-01-08 | 1955-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-09 | 1959-01-08 | 1959-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-09 | 1963-01-08 | 1963-07-10 | $7700.00 | Window Closed / Lapsed |