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US2920554A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Can crusher
Assignee: Individual
•
Filing: 1958-02-20
•
Granted: 1960-01-12
•
Expires: 1978-02-20
Abstract
No abstract record available.
Inventors
- 👤 Frederick H Bunke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:10
CPC Classifications
B; B02; B02C; B02C1/00; B02C1/02; B02C1/04; B02C19/00; B02C19/0056; B02C19/0081; B30; B30B; B30B9/00; B30B9/32; B30B9/321; B30B9/322; 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) | 1963-01-11 | 1963-07-13 | 1964-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-11 | 1967-07-13 | 1968-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-11 | 1971-07-13 | 1972-01-12 | $7700.00 | Window Closed / Lapsed |