US2299367A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety valve
Assignee: CREAM CITY BOILER Co
•
Filing: 1940-08-03
•
Granted: 1942-10-20
•
Expires: 1960-08-03
Abstract
No abstract record available.
Inventors
- 👤 Arthur B Webb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:27
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/18; F16K17/19; F16K17/196; F16K15/00; F16K15/18; F16K15/182; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7771; Y10T137/7772; Y10T137/7774; Y10T137/7775; Y10T137/7777; Y10T137/7837; Y10T137/7876; Y10T137/7877
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1945-10-19 | 1946-04-20 | 1946-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-10-19 | 1950-04-20 | 1950-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-10-19 | 1954-04-20 | 1954-10-20 | $7700.00 | Window Closed / Lapsed |