US1623431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined cylinder cock and relief valve
Assignee: Individual
•
Filing: 1920-07-03
•
Granted: 1927-04-05
•
Expires: 1940-07-03
Abstract
No abstract record available.
Inventors
- 👤 Vincen P Mcvoy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 00:02
CPC Classifications
F; F01; F01B; F01B25/00; F16; F16K; F16K15/00; F16K15/02; F16K15/06; F16K15/063; F01B2250/00; F01B2250/004; F16K2200/00; F16K2200/30; F16K2200/302; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7905; Y10T137/7922; Y10T137/7929
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) | 1930-04-04 | 1930-10-04 | 1931-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-04-04 | 1934-10-04 | 1935-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-04-04 | 1938-10-04 | 1939-04-05 | $7700.00 | Window Closed / Lapsed |