Patent US1497119A successfully refreshed from Google Patents.
US1497119A
Expired / Lapsed
US
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Power transmission
Assignee: PITT RAILWAY EQUIPMENTS Ltd
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Filing: 1923-05-11
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Granted: 1924-06-10
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Expires: 1943-05-11
Abstract
No abstract record available.
Inventors
- 👤 Reid Thomas
- 👤 Finlayson Norman Terrill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:35
CPC Classifications
F; F16; F16H; F16H3/00; F16H2712/00; F16H2712/02; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19172
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) | 1927-06-10 | 1927-12-10 | 1928-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-06-10 | 1931-12-10 | 1932-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-06-10 | 1935-12-10 | 1936-06-10 | $7700.00 | Window Closed / Lapsed |