US2975543A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for distributing powdered material
Assignee: FMC Corp
•
Filing: 1957-07-10
•
Granted: 1961-03-21
•
Expires: 1977-07-10
Abstract
No abstract record available.
Inventors
- 👤 Welker W Funk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 02:12
CPC Classifications
A; A01; A01M; A01M9/00; A01M9/0007; A01M9/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1310815A
Cited
US1558362A
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US1859567A
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US1858090A
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US1895488A
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US2686990A
Cited
US2770069A
Cited
GB749286A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-20 | 1964-09-19 | 1965-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-20 | 1968-09-19 | 1969-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-20 | 1972-09-19 | 1973-03-21 | $7700.00 | Window Closed / Lapsed |