Patent US4394060A successfully refreshed from Google Patents.
US2676005A
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Disintegrating and gathering chain
Assignee: Joy Manufacturing Co
•
Filing: 1949-03-29
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Granted: 1954-04-20
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Expires: 1969-03-29
Abstract
No abstract record available.
Inventors
- 👤 Joseph F Joy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:17
CPC Classifications
E; E21; E21C; E21C27/00; E21C27/10; E21C27/12; E21C27/126
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) | 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 |