US2308404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shock absorrer
Assignee: Whitnash PLC
•
Filing: 1940-12-30
•
Granted: 1943-01-12
•
Expires: 1960-12-30
Abstract
No abstract record available.
Inventors
- 👤 Thornhill Peter Warborn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:42
CPC Classifications
F; F16; F16F; F16F9/00; F16F9/06; F16F9/08; F16F9/088
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1946-01-11 | 1946-07-13 | 1947-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-01-11 | 1950-07-13 | 1951-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-01-11 | 1954-07-13 | 1955-01-12 | $7700.00 | Window Closed / Lapsed |