Patent USRE28350E successfully refreshed from Google Patents.
USRE28350E
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bag handling apparatus and method
Assignee: —
•
Filing: 1973-05-23
•
Granted: 1975-03-04
•
Expires: 1993-05-23
Abstract
Abstract 13. A METHOD OF OPENING A BAG INCLUDING: A. ADVANCING A CHAIN OF BAGS TOWARD A LOADING STATION ALONG A PATH OF TRAVEL; B. ENGAGING AND SUPPORTING A LEADING BAG OF THE CHAIN AND AT LEAST A PORTION OF A SUCCEEDING BAG WHILE ADVANCING SAID CHAIN; C. OPENING AN END OF SAID LEADING BAG WITH THE OPEN END FACING IN THE DIRECTION OF TRAVEL OF SAID CHAIN; D. ENGAGING SAID OPEN END OF SAID LEADING BAG; AND E. DETACHING SAID LEADING BAG FROM SAID SUCCEEDING BAG WHILE MAINTAINING SAID SUCCEEDING BAG ENGAGED AND SUPPORTED ON SAID PATH OF TRAVEL.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:53
CPC Classifications
B; B65; B65B; B65B43/00; B65B43/26; B65B43/30
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2612738A
Cited
US2833097A
Cited
AT222038B
Cited
US3190049A
Cited
US3269087A
Cited
US3228171A
Cited
US3344576A
Cited
US3385026A
Cited
US3328939A
Cited
US3355166A
Cited
US3453799A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-03-03 | 1978-09-02 | 1979-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-03-03 | 1982-09-02 | 1983-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-03-03 | 1986-09-02 | 1987-03-04 | $7700.00 | Window Closed / Lapsed |