Patent US2365978A successfully refreshed from Google Patents.
US2365978A
Expired / Lapsed
US
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Apparatus for displacing pulverulent or broken material
Assignee: Individual
•
Filing: 1942-08-14
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Granted: 1944-12-26
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Expires: 1962-08-14
Abstract
No abstract record available.
Inventors
- 👤 Strain George Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:54
CPC Classifications
B; B65; B65G; B65G65/00; B65G65/30; B65G65/34; B65G65/40; B65G65/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1947-12-26 | 1948-06-26 | 1948-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-12-26 | 1952-06-26 | 1952-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-12-26 | 1956-06-26 | 1956-12-26 | $7700.00 | Window Closed / Lapsed |