Patent US1576912A successfully refreshed from Google Patents.
Patent US3348595A successfully refreshed from Google Patents.
US3348595A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bag closure structure
Assignee: Individual
•
Filing: 1967-03-15
•
Granted: 1967-10-24
•
Expires: 1987-03-15
Abstract
No abstract record available.
Inventors
- 👤 Jr Peter P Stevens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:41
CPC Classifications
B; B65; B65D; B65D33/00; B65D33/16; B65D33/1616; B65D33/1625; Y; Y10; Y10T; Y10T24/00; Y10T24/15; Y10T24/155
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A BAG CLOSURE, COMPRISING A MAIN BODY PART HAVING SIDE WALL STRUCTURE CONVERGING INWARDLY FROM A RELATIVELY LARGE MOUTH TO A SMALLER NECK DIMENSION TO PASS A GATHERED SECTION OF A BAG OR THE LIKE THERETHROUGH, AND BAG-ENGAGING GRIPPER STRUCTURE EXTENDING FROM SAID NECK AND BEING EFFECTIVE TO PERMIT RELATIVE MOVEMENT BETWEEN SAID BAG CLOSURE AND SUCH BAG SECTION IN ONE DIRECTION AND TO PREVENT RELATIVE MOVEMENT THEREBETWEEN IN THE OPPOSITE DIRECTION, SAID MAIN BODY PART BEING INVERTIBLE TO ENABLE THE DIRECTION OF PERMISSIBLE RELATIVE MOVEMENT BE-
Claim 2
Dependent Claim
87 words
A BAG CLOSURE, COMPRISING A MAIN BODY PART HAVING SIDE WALL STRUCTURE CONVERGING INWARDLY FROM A RELATIVELY LARGE MOUTH TO A SMALLER NECK DIMENSION TO PASS A GATHERED SECTION OF A BAG OR THE LIKE THERETHROUGH, AND BAG-ENGAGING GRIPPER STRUCTURE EXTENDING FROM SAID NECK AND BEING EFFECTIVE TO PERMIT RELATIVE MOVEMENT BETWEEN SAID BAG CLOSURE AND SUCH BAG SECTION IN ONE DIRECTION AND TO PREVENT RELATIVE MOVEMENT THEREBETWEEN IN THE OPPOSITE DIRECTION, SAID MAIN BODY PART BEING INVERTIBLE TO ENABLE THE DIRECTION OF PERMISSIBLE RELATIVE MOVEMENT BE-
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) | 1970-10-23 | 1971-04-24 | 1971-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-23 | 1975-04-24 | 1975-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-23 | 1979-04-24 | 1979-10-24 | $7700.00 | Window Closed / Lapsed |