US2353293A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Industrial shock absorber
Assignee: Keppel LeTourneau USA Inc
•
Filing: 1943-01-02
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Granted: 1944-07-11
•
Expires: 1963-01-02
Abstract
No abstract record available.
Inventors
- 👤 Edgar C Brooking
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:34
CPC Classifications
B; B66; B66D; B66D3/00; B66D2700/00; B66D2700/02
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) | 1947-07-11 | 1948-01-10 | 1948-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-07-11 | 1952-01-10 | 1952-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-07-11 | 1956-01-10 | 1956-07-11 | $7700.00 | Window Closed / Lapsed |