US3101638A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet stacking machines
Assignee: Westinghouse Electric Corp
•
Filing: 1959-06-29
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Granted: 1963-08-27
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Expires: 1979-06-29
Abstract
No abstract record available.
Inventors
- 👤 Gerald S Rhicard
- 👤 Joseph J Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:52
CPC Classifications
B; B21; B21D; B21D43/00; B21D43/20; B21D43/22; B65; B65H; B65H29/00; B65H29/26; B65H29/32; Y; Y10; Y10T; Y10T83/00; Y10T83/202; Y10T83/2033; Y10T83/2037; Y10T83/2057; Y10T83/2059; Y10T83/2092; Y10T83/2209; Y10T83/444; Y10T83/4501; Y10T83/4513; Y10T83/4523; Y10T83/566; Y10T83/626; Y10T83/637
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
IN COMBINATION WITH A PUNCH PRESS HAVING MEANS FOR WORKING ON SHEET METAL STOCK, AND HAVING POWER DRIVEN ROLLS FOR PASSING SAID STOCK SUBSTANTIALLY HORIZONTALLY THROUGH AND BEYOND SAID PRESS, A SUCTION BOX HAVING A SUBSTANTIALLY HORIZONTALLY EXTENDING BOTTOM ABOVE THE PATH OF THE WORKED-ON SHEET AS IT EMERGES FROM SAID PRESS, SAID BOTTOM HAVING A PLURALITY OF SPACED-APART PERFORATIONS EXTENDING THERETHROUGH, MEANS FOR APPLYING SUCTION TO THE INTERIOR OF SAID BOX FOR CAUSING SUCTION THROUGH SAID PERFORATIONS TO HOLD A WORKED-ON SHEET AGAINST SAID BOTTOM, MEANS BETWEEN SAID PRESS AND BOTTOM FOR SEVERING A WORKED-ON SHEET FROM SAID STOCK, MEANS FOR OPERATING SAID SEVERING MEANS AFTER SAID SHEET IS HELD AGAINST SAID BOTTOM AND MEANS FOR CONCURRENTLY DISABLING SAID SUCTION APPLYING MEANS TO PERMIT THE SEVERED SHEET TO FALL FROM SAID BOTTOM.
Claim 2
Dependent Claim
133 words
IN COMBINATION WITH A PUNCH PRESS HAVING MEANS FOR WORKING ON SHEET METAL STOCK, AND HAVING POWER DRIVEN ROLLS FOR PASSING SAID STOCK SUBSTANTIALLY HORIZONTALLY THROUGH AND BEYOND SAID PRESS, A SUCTION BOX HAVING A SUBSTANTIALLY HORIZONTALLY EXTENDING BOTTOM ABOVE THE PATH OF THE WORKED-ON SHEET AS IT EMERGES FROM SAID PRESS, SAID BOTTOM HAVING A PLURALITY OF SPACED-APART PERFORATIONS EXTENDING THERETHROUGH, MEANS FOR APPLYING SUCTION TO THE INTERIOR OF SAID BOX FOR CAUSING SUCTION THROUGH SAID PERFORATIONS TO HOLD A WORKED-ON SHEET AGAINST SAID BOTTOM, MEANS BETWEEN SAID PRESS AND BOTTOM FOR SEVERING A WORKED-ON SHEET FROM SAID STOCK, MEANS FOR OPERATING SAID SEVERING MEANS AFTER SAID SHEET IS HELD AGAINST SAID BOTTOM AND MEANS FOR CONCURRENTLY DISABLING SAID SUCTION APPLYING MEANS TO PERMIT THE SEVERED SHEET TO FALL FROM SAID BOTTOM.
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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) | 1966-08-26 | 1967-02-25 | 1967-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-26 | 1971-02-25 | 1971-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-26 | 1975-02-25 | 1975-08-27 | $7700.00 | Window Closed / Lapsed |