US2509983A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for handling pulverulent materials
Assignee: Fuller Co
•
Filing: 1946-10-17
•
Granted: 1950-05-30
•
Expires: 1966-10-17
Abstract
No abstract record available.
Inventors
- 👤 Joseph H Morrow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:58
CPC Classifications
B; B65; B65B; B65B37/00; B65B37/14; B65B1/00; B65B1/04; B65B1/16; B65G; B65G53/00; B65G53/04; B65G53/16; B65G53/18; B65G53/22; Y; Y10; Y10S; Y10S118/00; Y10S118/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1566536A
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US727030A
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US1339977A
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US1390974A
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US1347358A
Cited
US2125913A
Cited
US2255438A
Cited
US2316814A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-29 | 1953-11-28 | 1954-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-29 | 1957-11-28 | 1958-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-29 | 1961-11-28 | 1962-05-30 | $7700.00 | Window Closed / Lapsed |