Patent US3277760A successfully refreshed from Google Patents.
US3277760A
Expired / Lapsed
US
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Apparatus for severing a web
Assignee: WR Grace and Co
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Filing: 1965-01-25
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Granted: 1966-10-11
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Expires: 1985-01-25
Abstract
No abstract record available.
Inventors
- 👤 Robert G Keene
- 👤 David E Robinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:24
CPC Classifications
B; B26; B26D; B26D1/00; B26D1/01; B26D1/04; B26D1/045; B26D5/00; B26D5/08; B26D5/12; Y; Y10; Y10T; Y10T83/00; Y10T83/748; Y10T83/7487; Y10T83/7493; Y10T83/7507; Y10T83/869; Y10T83/8821; Y10T83/8822
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
APPARATUS FOR SEVERING A WEB COMPRISING, IN COMBINATION: (A) A FLAT SURFACE MEMBER, (B) AN ELONGATED OPENING IN (A) (C) A PAIR OF END MEMBERS ASSOCIATED WITH (A) BELOW SURFACE THEREOF, (D) A SHUTTLE CUTTER ADAPTED FOR RECIPROCAL MOVEMENT FROM ONE END OF (A) TO THE OTHER END THEREOF COMPRISING A LOWER MEMBER POSITIONED BELOW (A), A SUPPORT MEANS POSITIONED ABOVE (A), AND ATTACHED TO SAID LOWER MEMBER, AND A SEVERING MEANS EXTENDING THROUGH SAID OPENING, (E) AN ORIFICE IN EACH OF SAID END MEMBERS IN COMMUNICATION WITH A SOURCE OF FLUID UNDER PRESSURE, THE TERMINAL PORTIONS OF SAID LOWER MEMBER ADAPTED TO SEALABLY ENGAGE SAID ORIFICE IN TURN WHEN MOVED TO THE RESPECTIVE END MEMBER, AND, (F) MEANS FOR RECIPROCALLY MOVING SAID SHUTTLE CUTTER FROM ONE END PORTIONOF (A) TO THE OTHER END PORTION THEREOF.
Claim 2
Dependent Claim
136 words
APPARATUS FOR SEVERING A WEB COMPRISING, IN COMBINATION: (A) A FLAT SURFACE MEMBER, (B) AN ELONGATED OPENING IN (A) (C) A PAIR OF END MEMBERS ASSOCIATED WITH (A) BELOW SURFACE THEREOF, (D) A SHUTTLE CUTTER ADAPTED FOR RECIPROCAL MOVEMENT FROM ONE END OF (A) TO THE OTHER END THEREOF COMPRISING A LOWER MEMBER POSITIONED BELOW (A), A SUPPORT MEANS POSITIONED ABOVE (A), AND ATTACHED TO SAID LOWER MEMBER, AND A SEVERING MEANS EXTENDING THROUGH SAID OPENING, (E) AN ORIFICE IN EACH OF SAID END MEMBERS IN COMMUNICATION WITH A SOURCE OF FLUID UNDER PRESSURE, THE TERMINAL PORTIONS OF SAID LOWER MEMBER ADAPTED TO SEALABLY ENGAGE SAID ORIFICE IN TURN WHEN MOVED TO THE RESPECTIVE END MEMBER, AND, (F) MEANS FOR RECIPROCALLY MOVING SAID SHUTTLE CUTTER FROM ONE END PORTIONOF (A) TO THE OTHER END PORTION THEREOF.
References Cited (Backward Citations)
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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) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |