US2822812A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disk type grain thresher
Assignee: Individual
•
Filing: 1953-12-07
•
Granted: 1958-02-11
•
Expires: 1973-12-07
Abstract
No abstract record available.
Inventors
- 👤 Edwards Delbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:45
CPC Classifications
A; A01; A01F; A01F7/00; Y; Y10; Y10S; Y10S56/00; Y10S56/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US126117A
Cited
US683174A
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US1103324A
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US1646453A
Cited
US1702323A
Cited
US2002205A
Cited
US1900269A
Cited
US1884153A
Cited
US2147267A
Cited
US2320557A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-10 | 1961-08-12 | 1962-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-10 | 1965-08-12 | 1966-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-10 | 1969-08-12 | 1970-02-11 | $7700.00 | Window Closed / Lapsed |