US3224394A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for sewing baglike structures and the like
Assignee: GM Pfaff AG
•
Filing: 1964-05-28
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Granted: 1965-12-21
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Expires: 1984-05-28
Abstract
No abstract record available.
Inventors
- 👤 Dobner Reinhold
- 👤 Braun Oskar
- 👤 Ulmer Heinz
- 👤 Tubingen Kreis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:58
CPC Classifications
D; D05; D05B; D05B23/00; D05B25/00; D05D; D05D2207/00; D05D2207/02; D05D2207/04; D05D2207/05; D05D2207/06; D05D2305/00; D05D2305/02; D05D2305/04; D05D2305/06; D05D2305/08; D05D2305/12; D05D2305/14; D10; D10B; D10B2501/00; D10B2501/06; D10B2501/062; D10B2503/00; D10B2503/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A MACHINE OF THE CHARACTER DESCRIBED COMPRISING IN COMBINATION: (1) MEANS TO TEMPORARILY HOLD THE END PORTION OF A WEB OF FLEXIBLE MATERIAL WITHDRAWN FROM A SUPPLY ROLL AGAINST A FIRST HORIZONTAL SUPPORTING SURFACE, (2) FOLDING MEANS DISPOSED CLOSELY ADJACENT TO SAID SURFACE TO DRAW OFF AND REVERSELY BEND A BLANK OF PREDETERMINED LENGTH FROM SAID ROLL, (3) MEANS TO HOLD THE OPPOSITE END PORTION OF THE DRAWN OFF BLANK AGAINST A SECOND HORIZONTAL SUPPORTING SURFACE, (4) MEANS TO TRANSVERSELY CUT SAID WEB AT A POINT CLOSELY SHAPED TO SAID SECOND SURFACE, TO PROVIDE A USHAPED WORKPIECE HAVING A PAIR OF VERTICAL LEG POR-
Claim 2
Dependent Claim
104 words
A MACHINE OF THE CHARACTER DESCRIBED COMPRISING IN COMBINATION: (1) MEANS TO TEMPORARILY HOLD THE END PORTION OF A WEB OF FLEXIBLE MATERIAL WITHDRAWN FROM A SUPPLY ROLL AGAINST A FIRST HORIZONTAL SUPPORTING SURFACE, (2) FOLDING MEANS DISPOSED CLOSELY ADJACENT TO SAID SURFACE TO DRAW OFF AND REVERSELY BEND A BLANK OF PREDETERMINED LENGTH FROM SAID ROLL, (3) MEANS TO HOLD THE OPPOSITE END PORTION OF THE DRAWN OFF BLANK AGAINST A SECOND HORIZONTAL SUPPORTING SURFACE, (4) MEANS TO TRANSVERSELY CUT SAID WEB AT A POINT CLOSELY SHAPED TO SAID SECOND SURFACE, TO PROVIDE A USHAPED WORKPIECE HAVING A PAIR OF VERTICAL LEG POR-
References Cited (Backward Citations)
US2738746A
Cited
US2757624A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |