Patent US3279791A successfully refreshed from Google Patents.
US3279791A
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Sheet material feeding mechanism for a shear line
Assignee: National Vulcanized Fibre Co
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Filing: 1964-04-17
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Granted: 1966-10-18
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Expires: 1984-04-17
Abstract
No abstract record available.
Inventors
- 👤 James N Fisher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:49
CPC Classifications
B; B21; B21D; B21D43/00; B21D43/20; B21D43/24; Y; Y10; Y10T; Y10T83/00; Y10T83/444; Y10T83/4637; Y10T83/464; Y10T83/4642
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
MECHANISM FOR MOVING MAGNETIC SHEET MATERIAL COMPRISING AN ELONGATE RECIPROCABLE POWER ACTUATED ELEMENT, MEANS PIVOTALLY SUPPORTING ONE END OF SUCH ELEMENT FOR VERTICAL SWINGING OF THE OTHER END THEREOF WITH RESPECT TO THE SURFACE OF AN UNDERLYING SHEET OF MAGNETIC MATERIAL TO BE MOVED, MEANS OPERATIVELY CONNECTED TO SAID POWER ELEMENT ADAPTED TO MAGNETICALLY ADHERE TO THE SAID SURFACE OF AND HOLD THE SHEET DURING LONGITUDINAL MOVEMENT OF THE POWER ELEMENT IN ONE DIRECTION, AND MEANS CARRIED BY AND MOVABLE RELATIVE TO THE SHEET HOLDING MEANS FOR ENGAGING AND RELEASING THE SHEET FROM THE SAID
Claim 2
Dependent Claim
95 words
MECHANISM FOR MOVING MAGNETIC SHEET MATERIAL COMPRISING AN ELONGATE RECIPROCABLE POWER ACTUATED ELEMENT, MEANS PIVOTALLY SUPPORTING ONE END OF SUCH ELEMENT FOR VERTICAL SWINGING OF THE OTHER END THEREOF WITH RESPECT TO THE SURFACE OF AN UNDERLYING SHEET OF MAGNETIC MATERIAL TO BE MOVED, MEANS OPERATIVELY CONNECTED TO SAID POWER ELEMENT ADAPTED TO MAGNETICALLY ADHERE TO THE SAID SURFACE OF AND HOLD THE SHEET DURING LONGITUDINAL MOVEMENT OF THE POWER ELEMENT IN ONE DIRECTION, AND MEANS CARRIED BY AND MOVABLE RELATIVE TO THE SHEET HOLDING MEANS FOR ENGAGING AND RELEASING THE SHEET FROM THE SAID
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |