US3390787A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Railway car shock protection device
Assignee: Lord Corp
•
Filing: 1965-12-23
•
Granted: 1968-07-02
•
Expires: 1985-12-23
Abstract
No abstract record available.
Inventors
- 👤 Victor J Grumblatt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:11
CPC Classifications
B; B61; B61G; B61G9/00; B61G9/12; B61G9/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1027323A
Cited
US3203361A
Cited
US3102646A
Cited
US3179067A
Cited
US3178035A
Cited
US3223049A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-02 | 1972-01-01 | 1972-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-02 | 1976-01-01 | 1976-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-02 | 1980-01-01 | 1980-07-02 | $7700.00 | Window Closed / Lapsed |