Patent US3021076A successfully refreshed from Google Patents.
US3021076A
Expired / Lapsed
US
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Rail anchors
Assignee: True Temper Corp
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Filing: 1957-12-19
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Granted: 1962-02-13
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Expires: 1977-12-19
Abstract
No abstract record available.
Inventors
- 👤 Charles A Finch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:07
CPC Classifications
E; E01; E01B; E01B13/00; E01B13/02; E01B2201/00; E01B2201/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-12 | 1965-08-14 | 1966-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-12 | 1969-08-14 | 1970-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-12 | 1973-08-14 | 1974-02-13 | $7700.00 | Window Closed / Lapsed |