US1698616A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety and service valve
Assignee: Individual
•
Filing: 1927-04-14
•
Granted: 1929-01-08
•
Expires: 1947-04-14
Abstract
No abstract record available.
Inventors
- 👤 Woodham Raybon Clifton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 01:26
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/02; F16K17/04; F16K17/10; Y; Y10; Y10T; Y10T137/00; Y10T137/1624; Y10T137/1632; Y10T137/1789; Y10T137/598; Y10T137/6184; Y10T137/6188; Y10T137/6195; Y10T137/8593; Y10T137/87917; Y10T137/87925; Y10T137/87973
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) | 1932-01-08 | 1932-07-09 | 1933-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-01-08 | 1936-07-09 | 1937-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-01-08 | 1940-07-09 | 1941-01-08 | $7700.00 | Window Closed / Lapsed |