Patent US4894831A successfully refreshed from Google Patents.
Patent US3138074A successfully refreshed from Google Patents.
US3138074A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutting device
Assignee: Fort James Corp
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Filing: 1962-02-01
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Granted: 1964-06-23
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Expires: 1982-02-01
Abstract
No abstract record available.
Inventors
- 👤 Ellsworth A Hartbauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:49
CPC Classifications
B; B26; B26D; B26D7/00; B26D7/26; B26D7/2628; B26D1/00; B26D1/56; B26D1/62; B26D1/626; B26D2007/2685; Y; Y10; Y10T; Y10T83/00; Y10T83/465; Y10T83/4653; Y10T83/4766; Y10T83/4775; Y10T83/4795; Y10T83/483; Y10T83/4844
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
IN APPARATUS FOR SEVERING A LENGTH OF MATERIAL AT PREDETERMINED INTERVALS THEREALONG, MEANS FOR ADVANCING SUCH LENGTH OF MATERIAL ALONG A PREDETERMINED PATH, AND A CUTTING DEVICE TO WHICH SUCH LENGTH OF MATERIAL IS ADVANCED COMPRISING FIRST AND SECOND BLADE ASSEMBLIES RESPECTIVELY DISPOSED ON OPPOSITE SIDES OF SUCH PATH OF MOVEMENT AND BEING RESPECTIVELY MOUNTED FOR ROTATION ABOUT SPACEDAPART AXES EXTENDING TRANSVERSELY THEREOF, FIRST AND SECOND CUTTING BLADES RESPECTIVELY PROVIDED BY SAID FIRST AND SECOND BLADE ASSEMBLIES FOR ROTATION THEREBY ABOUT THE RESPECTIVELY ASSOCIATED AXES AND THROUGH ARCUATE PATHS THAT INTERSECT ALONG SUCH PATH OF MOVEMENT TO BRING SAID BLADES INTO SEVERING ENGAGEMENT THEREAT, STRUCTURE ASSOCIATED WITH SAID FIRST BLADE AND BLADE ASSEMBLY FOR ACCOMMODATING A CONTINUING RELATIVE ANGULAR DISPLACEMENT THEREBETWEEN ALONG THE ARCUATE PATH OF TRAVEL OF SAID FIRST BLADE TO ENABLE THE SAME TO BE BODILY DISPLACED IN ITS ENTIRETY FROM END TO END THEREOF BY SAID SECOND BLADE RELATIVE
Claim 2
Dependent Claim
152 words
IN APPARATUS FOR SEVERING A LENGTH OF MATERIAL AT PREDETERMINED INTERVALS THEREALONG, MEANS FOR ADVANCING SUCH LENGTH OF MATERIAL ALONG A PREDETERMINED PATH, AND A CUTTING DEVICE TO WHICH SUCH LENGTH OF MATERIAL IS ADVANCED COMPRISING FIRST AND SECOND BLADE ASSEMBLIES RESPECTIVELY DISPOSED ON OPPOSITE SIDES OF SUCH PATH OF MOVEMENT AND BEING RESPECTIVELY MOUNTED FOR ROTATION ABOUT SPACEDAPART AXES EXTENDING TRANSVERSELY THEREOF, FIRST AND SECOND CUTTING BLADES RESPECTIVELY PROVIDED BY SAID FIRST AND SECOND BLADE ASSEMBLIES FOR ROTATION THEREBY ABOUT THE RESPECTIVELY ASSOCIATED AXES AND THROUGH ARCUATE PATHS THAT INTERSECT ALONG SUCH PATH OF MOVEMENT TO BRING SAID BLADES INTO SEVERING ENGAGEMENT THEREAT, STRUCTURE ASSOCIATED WITH SAID FIRST BLADE AND BLADE ASSEMBLY FOR ACCOMMODATING A CONTINUING RELATIVE ANGULAR DISPLACEMENT THEREBETWEEN ALONG THE ARCUATE PATH OF TRAVEL OF SAID FIRST BLADE TO ENABLE THE SAME TO BE BODILY DISPLACED IN ITS ENTIRETY FROM END TO END THEREOF BY SAID SECOND BLADE RELATIVE
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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) | 1967-06-23 | 1967-12-23 | 1968-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-23 | 1971-12-23 | 1972-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-23 | 1975-12-23 | 1976-06-23 | $7700.00 | Window Closed / Lapsed |