US1464244A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alarm valve
Assignee: Individual
•
Filing: 1919-03-06
•
Granted: 1923-08-07
•
Expires: 1939-03-06
Abstract
No abstract record available.
Inventors
- 👤 Percy L Drake
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:04
CPC Classifications
F; F16; F16K; F16K37/00; F16K37/0066; G; G01; G01P; G01P13/00; G01P13/0006; G01P13/0026; G01P13/0033; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/265; Y10T137/2657; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/7846; Y10T137/8158; Y10T137/8326; Y10T137/8593; Y10T137/86292
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) | 1926-08-06 | 1927-02-05 | 1927-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-08-06 | 1931-02-05 | 1931-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-08-06 | 1935-02-05 | 1935-08-07 | $7700.00 | Window Closed / Lapsed |