Patent US3099494A successfully refreshed from Google Patents.
US3099494A
Expired / Lapsed
US
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Feed device with fluid activated rippling sheets
Assignee: FMC Corp
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Filing: 1961-06-06
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Granted: 1963-07-30
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Expires: 1981-06-06
Abstract
No abstract record available.
Inventors
- 👤 Marvin C Heinze
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:03
CPC Classifications
B; B65; B65D; B65D88/00; B65D88/54; B65D88/64; B65D88/70; B29; B29C; B29C48/00; B29C48/25; B29C48/285; B29C48/286; B29C48/29; B29C48/03; B29C48/07; B29C48/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A FEEDING DEVICE FOR CAKING SOLIDS COMPRISING A CONTAINER HAVING (2) A LOWER DISCHARGE END, (3) AN INNER LATERAL SURFACE HAVING POSITIONED THEREON A PLURALITY OF THIN, FLEXIBLE SHEETS SUBSTANTIALLY PARALLEL, WHEN AT REST, TO THE SAID LATERAL SURFACE, AND FIXED TO SAID LATERAL SURFACE ALONG ONE DIRECTION THEREOF AND ONLY AT THE UPPER EDGE OF EACH SHEET, THE REMAINING EDGES BEING UNFIXED AND FREE TO MOVE IN SUCH A MANNER THAT THE ENTIRE SHEET BELOW THE FIXED EDGE CAN BE EXTENDED AWAY FROM SAID SURFACE, AND
Claim 2
Dependent Claim
87 words
A FEEDING DEVICE FOR CAKING SOLIDS COMPRISING A CONTAINER HAVING (2) A LOWER DISCHARGE END, (3) AN INNER LATERAL SURFACE HAVING POSITIONED THEREON A PLURALITY OF THIN, FLEXIBLE SHEETS SUBSTANTIALLY PARALLEL, WHEN AT REST, TO THE SAID LATERAL SURFACE, AND FIXED TO SAID LATERAL SURFACE ALONG ONE DIRECTION THEREOF AND ONLY AT THE UPPER EDGE OF EACH SHEET, THE REMAINING EDGES BEING UNFIXED AND FREE TO MOVE IN SUCH A MANNER THAT THE ENTIRE SHEET BELOW THE FIXED EDGE CAN BE EXTENDED AWAY FROM SAID SURFACE, AND
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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) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |