Patent US2767974A successfully refreshed from Google Patents.
US2767974A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Weighing unit
Assignee: Commonwealth Engineering Company of Ohio
•
Filing: 1953-12-07
•
Granted: 1956-10-23
•
Expires: 1973-12-07
Abstract
No abstract record available.
Inventors
- 👤 James W Ballard
- 👤 William R Horst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:10
CPC Classifications
G; G01; G01G; G01G3/00; G01G3/12; G01G3/14; G01G3/142; G01G3/1402; G01G3/1406; Y; Y10; Y10S; Y10S73/00; Y10S73/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2183078A
Cited
US2298216A
Cited
GB536063A
Cited
US2630007A
Cited
GB630980A
Cited
FR921978A
Cited
US2610052A
Cited
US2680373A
Cited
US2623636A
Cited
US2683030A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-23 | 1960-04-23 | 1960-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-23 | 1964-04-23 | 1964-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-23 | 1968-04-23 | 1968-10-23 | $7700.00 | Window Closed / Lapsed |