Patent FR1093637A successfully refreshed from Google Patents.
US2953281A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Feeder for flowable material
Assignee: Individual
•
Filing: 1956-08-17
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Granted: 1960-09-20
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Expires: 1976-08-17
Abstract
No abstract record available.
Inventors
- 👤 Johnson John Algot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:48
CPC Classifications
B; B65; B65G; B65G53/00; B65G53/34; B65G53/40; B65G53/46; B65G53/4675
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1325602A
Cited
CA532553A
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US2602576A
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US2673011A
Cited
US2772817A
Cited
US2642216A
Cited
US2839093A
Cited
US2783786A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-20 | 1964-03-21 | 1964-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-20 | 1968-03-21 | 1968-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-20 | 1972-03-21 | 1972-09-20 | $7700.00 | Window Closed / Lapsed |