Patent US2906212A successfully refreshed from Google Patents.
US2906212A
Expired / Lapsed
US
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Runway forming and load receiving multiple car assembly
Assignee: American Zinc Lead and Smelting Co
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Filing: 1955-05-19
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Granted: 1959-09-29
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Expires: 1975-05-19
Abstract
No abstract record available.
Inventors
- 👤 Dale I Hayes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:59
CPC Classifications
E; E02; E02F; E02F9/00; E02F9/003; B; B61; B61D; B61D15/00; B61D47/00; E21; E21D; E21D9/00; E21D9/12; E21D9/126
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-28 | 1963-03-30 | 1963-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-28 | 1967-03-30 | 1967-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-28 | 1971-03-30 | 1971-09-29 | $7700.00 | Window Closed / Lapsed |