US3464366A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulically dampened railway truck bolster
Assignee: Halliburton Co
•
Filing: 1966-09-29
•
Granted: 1969-09-02
•
Expires: 1986-09-29
Abstract
No abstract record available.
Inventors
- 👤 Orum E Seay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:21
CPC Classifications
B; B61; B61F; B61F5/00; B61F5/02; B61F5/04; B61F5/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1983088A
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US2099240A
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US2118006A
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US2244501A
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US2256868A
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US2393426A
Cited
US2573165A
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US2652786A
Cited
US3073562A
Cited
US3351336A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-01 | 1973-03-03 | 1973-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-01 | 1977-03-03 | 1977-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-01 | 1981-03-03 | 1981-09-02 | $7700.00 | Window Closed / Lapsed |