Patent US3389643A successfully refreshed from Google Patents.
US3389643A
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Bag making apparatus and method
Assignee: PARISH Manufacturing AND DISTRIBUTING CORP
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Filing: 1966-07-22
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Granted: 1968-06-25
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Expires: 1986-07-22
Abstract
No abstract record available.
Inventors
- 👤 George A Lemcke
- 👤 Peter A Tucher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:20
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/18; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/13; B29C66/131; B29C66/40; B29C66/47; B29C66/474; B29C66/4742; B29C66/47421; B29C66/80; B29C66/82; B29C66/824; B29C66/8242; B29C66/83; B29C66/832; B29C66/8322; B29C66/83221; B31; B31B; B31B70/00; B31B70/74; B31B70/81; B31B70/84; B31B70/844; Y; Y10; Y10T; Y10T156/00; Y10T156/12; Y10T156/1304; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/4987; Y10T29/53; Y10T29/53657
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
APPARATUS FOR SECURING A TUBE ASSEMBLY TO A THIN SHEET OF PLASTIC AND LIKE MATERIAL, THE TUBE ASSEMBLY INCLUDING A TUBE GROMMET HAVING A STEM EXTENDING THROUGH AN OPENING IN THE SHEET AND SEALED THERETO AND A TUBE SECTION ASSEMBLED OVER THE STEM, SAID APPARATUS INCLUDING: A MACHINE BED FOR RECEIVING A SHEET OF MATERIAL EXTENDING ACROSS A WORK AXIS DEFINING A WORK STATION; A GROMMET SPINDLE ALONG SAID WORK AXIS FOR RECEIVING A GROMMET; MEANS FOR MOVING SAID GROMMET SPINDLE ALONG SAID WORK AXIS TO DRIVE THE STEM OF A GROMMET THROUGH THE SHEET;
Claim 2
Dependent Claim
95 words
APPARATUS FOR SECURING A TUBE ASSEMBLY TO A THIN SHEET OF PLASTIC AND LIKE MATERIAL, THE TUBE ASSEMBLY INCLUDING A TUBE GROMMET HAVING A STEM EXTENDING THROUGH AN OPENING IN THE SHEET AND SEALED THERETO AND A TUBE SECTION ASSEMBLED OVER THE STEM, SAID APPARATUS INCLUDING: A MACHINE BED FOR RECEIVING A SHEET OF MATERIAL EXTENDING ACROSS A WORK AXIS DEFINING A WORK STATION; A GROMMET SPINDLE ALONG SAID WORK AXIS FOR RECEIVING A GROMMET; MEANS FOR MOVING SAID GROMMET SPINDLE ALONG SAID WORK AXIS TO DRIVE THE STEM OF A GROMMET THROUGH THE SHEET;
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) | 1971-06-25 | 1971-12-25 | 1972-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-25 | 1975-12-25 | 1976-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-25 | 1979-12-25 | 1980-06-25 | $7700.00 | Window Closed / Lapsed |