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US2956667A
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Apparatus for conveying granular material around an arcuate section of conduit
Assignee: MONTGOMERY AND CRAWFORD CO Inc
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Filing: 1958-09-18
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Granted: 1960-10-18
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Expires: 1978-09-18
Abstract
No abstract record available.
Inventors
- 👤 James H Coulliette
- 👤 Samuel W Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:38
CPC Classifications
A; A01; A01K; A01K5/00; A01K5/02; A01K5/0208
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1689839A
Cited
US2681132A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-18 | 1964-04-18 | 1964-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-18 | 1968-04-18 | 1968-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-18 | 1972-04-18 | 1972-10-18 | $7700.00 | Window Closed / Lapsed |