Patent US2440718A successfully refreshed from Google Patents.
US2440718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure gauge assembly
Assignee: Beloit Iron Works Inc
•
Filing: 1944-04-10
•
Granted: 1948-05-04
•
Expires: 1964-04-10
Abstract
No abstract record available.
Inventors
- 👤 Hornbostel Lloyd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:28
CPC Classifications
G; G01; G01L; G01L5/00; G01L5/0061; G01L5/0076; G01L1/00; G01L1/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1417462A
Cited
US1424888A
Cited
US1523526A
Cited
US1576633A
Cited
US1772188A
Cited
US1766782A
Cited
US1881240A
Cited
US2260135A
Cited
US2317701A
Cited
US2364443A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-05-04 | 1951-11-03 | 1952-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-05-04 | 1955-11-03 | 1956-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-05-04 | 1959-11-03 | 1960-05-04 | $7700.00 | Window Closed / Lapsed |