US2430712A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drum and barrel truck
Assignee: Individual
•
Filing: 1946-08-12
•
Granted: 1947-11-11
•
Expires: 1966-08-12
Abstract
No abstract record available.
Inventors
- 👤 Albert M Evans
- 👤 Clarence W Johnson
- 👤 Otto H Molle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:01
CPC Classifications
B; B62; B62B; B62B1/00; B62B1/26; B62B1/264; B62B2202/00; B62B2202/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US135247A
Cited
US453086A
Cited
US1255070A
Cited
US1449011A
Cited
US1681944A
Cited
US1884861A
Cited
FR719193A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-11-10 | 1951-05-12 | 1951-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-11-10 | 1955-05-12 | 1955-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-11-10 | 1959-05-12 | 1959-11-11 | $7700.00 | Window Closed / Lapsed |