Patent DE2641802A1 successfully refreshed from Google Patents.
US1680131A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Railway-tie plate
Assignee: Individual
•
Filing: 1927-11-10
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Granted: 1928-08-07
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Expires: 1947-11-10
Abstract
No abstract record available.
Inventors
- 👤 Corl Jacob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:25
CPC Classifications
E; E01; E01B; E01B9/00; E01B9/38; E01B9/44; E01B9/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1931-08-07 | 1932-02-06 | 1932-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-08-07 | 1936-02-06 | 1936-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-08-07 | 1940-02-06 | 1940-08-07 | $7700.00 | Window Closed / Lapsed |