US2765731A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic ram caps for crushing and pressing rolls
Assignee: Edwards Engineering Corp
•
Filing: 1952-03-28
•
Granted: 1956-10-09
•
Expires: 1972-03-28
Abstract
No abstract record available.
Inventors
- 👤 Joseph N Edwards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:22
CPC Classifications
C; C13; C13B; C13B10/00; C13B10/02; C13B10/06; B; B30; B30B; B30B3/00; B30B3/04; B30B15/00; B30B15/0088
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) | 1959-10-09 | 1960-04-09 | 1960-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-09 | 1964-04-09 | 1964-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-09 | 1968-04-09 | 1968-10-09 | $7700.00 | Window Closed / Lapsed |