US2675970A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crushing and flattening machine
Assignee: Individual
•
Filing: 1952-12-22
•
Granted: 1954-04-20
•
Expires: 1972-12-22
Abstract
No abstract record available.
Inventors
- 👤 Harold G Edwards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 19:33
CPC Classifications
B; B30; B30B; B30B3/00; B30B3/02; B02; B02C; B02C4/00; B02C4/10; B02C4/12; B30B9/00; B30B9/32; B30B9/321; B30B9/325; Y; Y10; Y10S; Y10S100/00; Y10S100/902
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-19 | 1957-10-19 | 1958-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-19 | 1961-10-19 | 1962-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-19 | 1965-10-19 | 1966-04-20 | $7700.00 | Window Closed / Lapsed |