US2530034A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring dampener
Assignee: CLEVELAND WIRE SPRING Co
•
Filing: 1947-01-31
•
Granted: 1950-11-14
•
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
2026-11-06 03:56
CPC Classifications
F; F01; F01L; F01L1/00; F01L1/12; F01L1/14; F01L1/16; F16; F16B; F16B7/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US904490A
Cited
US1952102A
Cited
US1988341A
Cited
US2042647A
Cited
US2109102A
Cited
US2358510A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-13 | 1954-05-15 | 1954-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-13 | 1958-05-15 | 1958-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-13 | 1962-05-15 | 1962-11-14 | $7700.00 | Window Closed / Lapsed |