Patent US1361738A successfully refreshed from Google Patents.
US1361738A
Expired / Lapsed
US
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Cylinder relief-valve
Assignee: UNITED STATES RAILWAY SUPPLY Co
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Filing: 1919-11-20
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Granted: 1920-12-07
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Expires: 1939-11-20
Abstract
No abstract record available.
Inventors
- 👤 Vincen P Mcvoy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:32
CPC Classifications
F; F01; F01B; F01B25/00; F01B2250/00; F01B2250/004; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7771; Y10T137/778; Y10T137/7837; Y10T137/7866; Y10T137/7904; Y10T137/7922; Y10T137/7929; Y10T137/7932; Y10T137/7933
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) | 1923-12-07 | 1924-06-07 | 1924-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-12-07 | 1928-06-07 | 1928-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-12-07 | 1932-06-07 | 1932-12-07 | $7700.00 | Window Closed / Lapsed |