Patent US2476400A successfully refreshed from Google Patents.
US2476400A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flow controlling device
Assignee: Honeywell Inc
•
Filing: 1943-07-12
•
Granted: 1949-07-19
•
Expires: 1963-07-12
Abstract
No abstract record available.
Inventors
- 👤 George H Berkholder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:47
CPC Classifications
F; F02; F02D; F02D11/00; Y; Y10; Y10T; Y10T137/00; Y10T137/1842; Y10T137/1939; Y10T137/1963
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US610479A
Cited
US1017170A
Cited
US1190681A
Cited
US1536424A
Cited
US1600774A
Cited
US1922874A
Cited
US1861742A
Cited
US1851062A
Cited
US1971048A
Cited
US2142950A
Cited
US2158787A
Cited
GB483835A
Cited
US2125601A
Cited
US2273127A
Cited
US2317639A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-18 | 1953-01-17 | 1953-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-18 | 1957-01-17 | 1957-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-18 | 1961-01-17 | 1961-07-19 | $7700.00 | Window Closed / Lapsed |