Patent US3358993A successfully refreshed from Google Patents.
US3358993A
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Sheet impact cushion device
Assignee: Alvey Conveyor Manufacturing Co
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Filing: 1965-09-23
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Granted: 1967-12-19
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Expires: 1985-09-23
Abstract
No abstract record available.
Inventors
- 👤 George F Lytle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:01
CPC Classifications
B; B65; B65H; B65H29/00; B65H29/68; B65H29/16; B65H29/18; B65H31/00; B65H2403/00; B65H2403/60; B65H2701/00; B65H2701/10; B65H2701/17; B65H2701/173; B65H2701/175
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
IN AN IMPACT CUSHION SYSTEM FOR SHEET STACKING APPARATUS HAVING SHEET FEEDING MEANS TO DELIVER SUCCESSIVE SHEETS TO A STACKING STATION, THE IMPROVEMENT OF PRIMARY CUSHION MEANS CARRIED BY THE APPARATUS AT A LIMITING MARGIN OF THE SHEET STACKING STATION, PRESSURE FLUID RESPONSIVE BRAKE MEANS TO FIX SAID PRIMARY CUSHION MEANS IN POSITION, PRESSURE FLUID RESPONSIVE SECONDARY CUSHION MEANS
Claim 2
Dependent Claim
59 words
IN AN IMPACT CUSHION SYSTEM FOR SHEET STACKING APPARATUS HAVING SHEET FEEDING MEANS TO DELIVER SUCCESSIVE SHEETS TO A STACKING STATION, THE IMPROVEMENT OF PRIMARY CUSHION MEANS CARRIED BY THE APPARATUS AT A LIMITING MARGIN OF THE SHEET STACKING STATION, PRESSURE FLUID RESPONSIVE BRAKE MEANS TO FIX SAID PRIMARY CUSHION MEANS IN POSITION, PRESSURE FLUID RESPONSIVE SECONDARY CUSHION MEANS
References Cited (Backward Citations)
US2821391A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-18 | 1971-06-19 | 1971-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-18 | 1975-06-19 | 1975-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-18 | 1979-06-19 | 1979-12-19 | $7700.00 | Window Closed / Lapsed |