Patent DE2814401A1 successfully refreshed from Google Patents.
US1694143A
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Assignee: Franklin Railway Supply Co
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Filing: 1925-05-23
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Granted: 1928-12-04
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Expires: 1945-05-23
Abstract
No abstract record available.
Inventors
- 👤 Montague H Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:08
CPC Classifications
F; F01; F01B; F01B25/00; F01B2250/00; F01B2250/003; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86558; Y10T137/86566
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) | 1931-12-04 | 1932-06-04 | 1932-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-12-04 | 1936-06-04 | 1936-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-12-04 | 1940-06-04 | 1940-12-04 | $7700.00 | Window Closed / Lapsed |