US3266053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing carrier bags of weldable material
Assignee: Windmoeller and Hoelscher KG
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Filing: 1963-07-23
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Granted: 1966-08-09
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Expires: 1983-07-23
Abstract
No abstract record available.
Inventors
- 👤 Rochla Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:11
CPC Classifications
B; B65; B65D; B65D33/00; B65D33/16; B65D33/1683; B29; B29C; B29C65/00; B29C65/02; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/80; B29C66/83; B29C66/832; B29C66/8322; B29C66/83221; B29C65/18; B29C66/50; B29C66/51; B29C66/53; B29C66/534; B29C66/82; B29C66/824; B29C66/8242; B31; B31B; B31B70/00; B31B70/74; B31B70/86; B31B70/864; B31B70/87; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1089; Y10T156/1092; Y10T156/1097; Y10T156/1098
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A METHOD OF MANUFACTURING CARRIER BAGS OF WELDABLE MATERIAL COMPRISING THE STEPS OF INTERMITTENTLY MOVING A DOUBLE-LAYER BAG BLANK HAVING AT OPPOSITE SIDES THEREOF OPEN AND CLOSED LONGITUDINAL EDGES, AT LEAST TEMPORARILY SPACING SAID TWO LAYERS FROM EACH OTHER AT SAID OPEN LONGITUDINAL EDGE, INSERTING A PAIR OF HANDLES BETWEEN SAID TWO LAYERS AFTER SAID TWO LAYERS HAVE BEEN SPACED FROM EACH OTHER, WELDING EACH HANDLE OF SAID PAIR TO ONE ADJACENT LAYER OF SAID TWO LAYERS, AND COMBINED WELDING AND CUTTING IN A DIRECTION NORMAL TO THE DIRECTION OF MOVEMENT OF SAID BLANK AT THE MID-POINT BETWEEN TWO CONSECUTIVE PAIRS OF WELDED HANDLES.
Claim 2
Independent Claim
104 words
A METHOD OF MANUFACTURING CARRIER BAGS OF WELDABLE MATERIAL COMPRISING THE STEPS OF INTERMITTENTLY MOVING A DOUBLE-LAYER BAG BLANK HAVING AT OPPOSITE SIDES THEREOF OPEN AND CLOSED LONGITUDINAL EDGES, AT LEAST TEMPORARILY SPACING SAID TWO LAYERS FROM EACH OTHER AT SAID OPEN LONGITUDINAL EDGE, INSERTING A PAIR OF HANDLES BETWEEN SAID TWO LAYERS AFTER SAID TWO LAYERS HAVE BEEN SPACED FROM EACH OTHER, WELDING EACH HANDLE OF SAID PAIR TO ONE ADJACENT LAYER OF SAID TWO LAYERS, AND COMBINED WELDING AND CUTTING IN A DIRECTION NORMAL TO THE DIRECTION OF MOVEMENT OF SAID BLANK AT THE MID-POINT BETWEEN TWO CONSECUTIVE PAIRS OF WELDED HANDLES.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |