Patent US1526359A successfully refreshed from Google Patents.
Patent US3893649A successfully refreshed from Google Patents.
US3893649A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bag holder
Assignee: Dynamic Form Systems Inc
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Filing: 1971-08-09
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Granted: 1975-07-08
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Expires: 1991-08-09
Abstract
Abstract An inner ring of plastic with continuous periphery, an outer ring formed of a length of plastic having a U-shaped groove with the ends of the length brought into end-to-end relation, the bag mouth being brought inside the inner basic frame ring and folded out thereover, with the U-shaped groove snapped onto and clamping the mouth of the bag onto the basic frame ring.
Inventors
- 👤 Robert J Cornell
- 👤 Louis Vitale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:44
CPC Classifications
B; B65; B65B; B65B67/00; B65B67/12; B65F; B65F1/00; B65F1/04; B65F1/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
A bag holder to spread the mouth of a bag, comprising A FREELY MOVABLE BASIC RING INTO WHICH THE MOUTH OF A BAG IS INSERTED AND FOLDED OVER WITH A RETURN FLAP; AND A FREELY MOVABLE SUPPLEMENTAL RETAINER RING HAVING A CIRCUMFERENTIAL GROOVE RECEIVING SAID FRAME RING WITH SAID BAG MOUTH THEREBETWEEN; SAID BASIC FRAME RING COMPRISING A HOLLOW TUBE OF PLASTIC WITH THE ENDS SECURED TOGETHER; SAID RETAINER RING COMPRISING A LENGTH OF PLASTIC EXTRUDED INTO U-shaped cross section which faces perpendicularly outward from the common axis so as to engage the inside of the hollow tube; the wall thickness of said U-shaped retainer ring being substantially equal to that of said plastic hollow tube, and the resilience thereof, enabling the bag with its holder to be pressed down onto the ground so as to flatten the bottom portion to facilitate sweeping thereover, and to return to its normal shape when the pressure is released.
Claim 2
Dependent Claim
156 words
A bag holder to spread the mouth of a bag, comprising A FREELY MOVABLE BASIC RING INTO WHICH THE MOUTH OF A BAG IS INSERTED AND FOLDED OVER WITH A RETURN FLAP; AND A FREELY MOVABLE SUPPLEMENTAL RETAINER RING HAVING A CIRCUMFERENTIAL GROOVE RECEIVING SAID FRAME RING WITH SAID BAG MOUTH THEREBETWEEN; SAID BASIC FRAME RING COMPRISING A HOLLOW TUBE OF PLASTIC WITH THE ENDS SECURED TOGETHER; SAID RETAINER RING COMPRISING A LENGTH OF PLASTIC EXTRUDED INTO U-shaped cross section which faces perpendicularly outward from the common axis so as to engage the inside of the hollow tube; the wall thickness of said U-shaped retainer ring being substantially equal to that of said plastic hollow tube, and the resilience thereof, enabling the bag with its holder to be pressed down onto the ground so as to flatten the bottom portion to facilitate sweeping thereover, and to return to its normal shape when the pressure is released.
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) | 1978-07-07 | 1979-01-06 | 1979-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-07-07 | 1983-01-06 | 1983-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-07-07 | 1987-01-06 | 1987-07-08 | $7700.00 | Window Closed / Lapsed |