US2440931A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Graining machine
Assignee: Individual
•
Filing: 1944-01-03
•
Granted: 1948-05-04
•
Expires: 1964-01-03
Abstract
No abstract record available.
Inventors
- 👤 Edward A Casson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:34
CPC Classifications
B; B41; B41N; B41N3/00; B41N3/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1199028A
Cited
US1718020A
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 |