US3438320A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method for compacting material
Assignee: EAST CHICAGO MACHINE TOOL CORP
•
Filing: 1966-07-11
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Granted: 1969-04-15
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Expires: 1986-07-11
Abstract
No abstract record available.
Inventors
- 👤 Hilary A Raab
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:05
CPC Classifications
B; B30; B30B; B30B9/00; B30B9/30; B30B9/3003; B30B9/3007; B30B9/3014; B30B9/3078
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-14 | 1972-10-14 | 1973-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-14 | 1976-10-14 | 1977-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-14 | 1980-10-14 | 1981-04-15 | $7700.00 | Window Closed / Lapsed |