Patent DE840920C successfully refreshed from Google Patents.
Patent US2444726A successfully refreshed from Google Patents.
US2444726A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for determining the magnitude of a condition
Assignee: Bristol Co
•
Filing: 1944-02-05
•
Granted: 1948-07-06
•
Expires: 1964-02-05
Abstract
No abstract record available.
Inventors
- 👤 William H Bussey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:25
CPC Classifications
G; G01; G01R; G01R19/00; G01R19/18; G01R19/20
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
FR501431A
Cited
US1412853A
Cited
US1412908A
Cited
US1995530A
Cited
US1997657A
Cited
US2039405A
Cited
US2053154A
Cited
US2209369A
Cited
US2300742A
Cited
US2222049A
Cited
US2247983A
Cited
US2259711A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-07-06 | 1952-01-05 | 1952-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-07-06 | 1956-01-05 | 1956-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-07-06 | 1960-01-05 | 1960-07-06 | $7700.00 | Window Closed / Lapsed |