US3039585A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rail storage and transfer device
Assignee: Chemetron Corp
•
Filing: 1959-04-08
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Granted: 1962-06-19
•
Expires: 1979-04-08
Abstract
No abstract record available.
Inventors
- 👤 Norman L Francis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:58
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/002; B23K11/0073; B65; B65G; B65G1/00; B65G1/02; B65G1/04; B65G1/06; B23K2101/00; B23K2101/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1838167A
Cited
US2162138A
Cited
US2206766A
Cited
US2366615A
Cited
GB667892A
Cited
US2623626A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-18 | 1965-12-18 | 1966-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-18 | 1969-12-18 | 1970-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-18 | 1973-12-18 | 1974-06-19 | $7700.00 | Window Closed / Lapsed |