US2834387A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corn cracker
Assignee: Individual
•
Filing: 1954-04-08
•
Granted: 1958-05-13
•
Expires: 1974-04-08
Abstract
No abstract record available.
Inventors
- 👤 Wilfred F Traugott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:51
CPC Classifications
B; B02; B02C; B02C9/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US12977A
Cited
US182054A
Cited
US381515A
Cited
US408448A
Cited
US465667A
Cited
US751488A
Cited
US1298289A
Cited
US2334181A
Cited
US2472725A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-12 | 1961-11-11 | 1962-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-12 | 1965-11-11 | 1966-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-12 | 1969-11-11 | 1970-05-13 | $7700.00 | Window Closed / Lapsed |