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US3384034A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lading separator for railroad cars
Assignee: Unarco Industries LLC
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Filing: 1966-08-15
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Granted: 1968-05-21
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Expires: 1986-08-15
Abstract
No abstract record available.
Inventors
- 👤 Russell M Loomis
- 👤 Leslie W Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:30
CPC Classifications
B; B61; B61D; B61D45/00; B61D45/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2022325A
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US2788990A
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US3017842A
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US3130690A
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US3165075A
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US3227102A
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US3241502A
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US3168055A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-21 | 1971-11-20 | 1972-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-21 | 1975-11-20 | 1976-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-21 | 1979-11-20 | 1980-05-21 | $7700.00 | Window Closed / Lapsed |