Patent US3555774A successfully refreshed from Google Patents.
US3555774A
Expired / Lapsed
US
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Feeding, propelling, and tensioning system for tape in a seed-tape manufacturing machine
Assignee: Union Carbide Corp
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Filing: 1968-07-05
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Granted: 1971-01-19
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Expires: 1988-07-05
Abstract
Abstract IN A SEED-TAPE MANUFACTURING MACHINE, THE TAPE IS PROPELLED BY A MAIN DRIVE ROLLER BEYOND THE SEED-DISPENSING STATION AND DRIVEN BY MAIN DRIVE MEANS, WITH A MAIN IDLER ROLLER URGED TOWARD THE MAIN DRIVE ROLLER, THE TAPE BETWEEN THEM. A SECONDARY DRIVE ROLLER AND SECONDARY IDLER ROLLER PRECEDE THE SEED-DISPENSING STATION AND ARE DRIVEN SO THAT THEIR PERIPHERAL SEED IS SLOWER, AT A FIXED FRACTION OF THE SPEED OF THE MAIN DRIVE ROLLER, SO THAT THE TAPE IS STRETCHED AS IT PASSES FROM THE SECONDARY ROLLERS TO THE MAIN ROLLERS.
Inventors
- 👤 Burnie M Craig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:54
CPC Classifications
B; B65; B65B; B65B41/00; B65B41/12; B65B41/16; B65B65/00; B65B65/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-18 | 1974-07-20 | 1975-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-18 | 1978-07-20 | 1979-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-18 | 1982-07-20 | 1983-01-19 | $7700.00 | Window Closed / Lapsed |