Patent US3611481A successfully refreshed from Google Patents.
US3611481A
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US
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Molding apparatus having sheet transporting means with piercer means thereon
Assignee: Standard Oil Co
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Filing: 1969-09-22
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Granted: 1971-10-12
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Expires: 1989-09-22
Abstract
Abstract DISCLOSED IS A NOVEL SHEET TRANSPORTING APPARATUS INCLUDING DRIVEN SPROCKET MEANS HAING GENERALLY VERTICAL AXES OF ROTATION, ENDLESS ROLLER CHAIN MEANS CARRIED BY THE SPROCKET MEANS, RESTRAINING MEANS ADJACENT TO CHAIN PATHS WHICH ENGAGE THE CHAIN''S ROLLERS AND RESTRAIN THE CHAIN MEANS'' LATERAL MOVEMENT, AND PIERCER MEANS MOUNTED ON THE CHAIN MEANS IN A POSITION TO IMPALE A SHEET.
Inventors
- 👤 Edward A Malosh
- 👤 Melroy L Knee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:31
CPC Classifications
B; B29; B29C; B29C51/00; B29C51/26; B29C51/261; Y; Y10; Y10S; Y10S425/00; Y10S425/20; Y10S425/201
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) | 1974-10-11 | 1975-04-12 | 1975-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-11 | 1979-04-12 | 1979-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-11 | 1983-04-12 | 1983-10-12 | $7700.00 | Window Closed / Lapsed |