Patent US2733848A successfully refreshed from Google Patents.
US2733848A
Expired / Lapsed
US
⏱️ 0.0 years remaining
bos houwers
Assignee: —
•
Filing: —
•
Granted: 1956-02-07
•
Expires: 1973-02-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:12
CPC Classifications
B; B65; B65B; B65B1/00; B65B1/04; B65B1/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
AN APPARATUS FOR FILLING A BAG WITH PULVERULENT MATERIAL INCLUDING A STORAGE BIN FOR SAID PULVERULENT MATERIAL, A HOPPER DISPOSED BENEATH SAID STORAGE BIN AND IN SOLIDS COMMUNICATION THEREWITH ADAPTED TO CONTAIN SAID PULVERULENT MATERIAL, A TRANSFER CONDUIT INTERMEDIATE SAID STORAGE BIN AND SAID HOPPER FOR TRANSFERRING SAID PULVERULENT MATERIALS FROM SAID STORAGE BIN TO SAID HOPPER, A HORIZONTAL SPOUT LEADING FROM SAID HOPPER, SAID HORIZONTAL SPOUT HAVING A DISCHARGE OPENING FOR DISCHARGING SAID PULVERULENT MATERIAL FROM SAID HOPPER INTO A BAG HAVING AN OPENING OPERATIVELY ENGAGED WITH SAID SPOUT, A VENT TUBE DISPOSED ADJACENT THE PORTION OF SAID HORIZONTAL SPOUT MOST REMOTE FROM SAID HOPPER AND TERMINATING IN AN ESCAPE OPENING POSITIONED AT A SPACED DISTANCE SUBSEQUENT THE DISCHARGE OPENING FOR PERMITTING THE ESCAPE OF TRAPPED AIR FROM SAID BAG, SAID VENT TUBE EXTENDING UPWARDLY FROM SAID HORIZONTAL SPOUT TO SAID STORAGE BIN.
Claim 2
Independent Claim
144 words
AN APPARATUS FOR FILLING A BAG WITH PULVERULENT MATERIAL INCLUDING A STORAGE BIN FOR SAID PULVERULENT MATERIAL, A HOPPER DISPOSED BENEATH SAID STORAGE BIN AND IN SOLIDS COMMUNICATION THEREWITH ADAPTED TO CONTAIN SAID PULVERULENT MATERIAL, A TRANSFER CONDUIT INTERMEDIATE SAID STORAGE BIN AND SAID HOPPER FOR TRANSFERRING SAID PULVERULENT MATERIALS FROM SAID STORAGE BIN TO SAID HOPPER, A HORIZONTAL SPOUT LEADING FROM SAID HOPPER, SAID HORIZONTAL SPOUT HAVING A DISCHARGE OPENING FOR DISCHARGING SAID PULVERULENT MATERIAL FROM SAID HOPPER INTO A BAG HAVING AN OPENING OPERATIVELY ENGAGED WITH SAID SPOUT, A VENT TUBE DISPOSED ADJACENT THE PORTION OF SAID HORIZONTAL SPOUT MOST REMOTE FROM SAID HOPPER AND TERMINATING IN AN ESCAPE OPENING POSITIONED AT A SPACED DISTANCE SUBSEQUENT THE DISCHARGE OPENING FOR PERMITTING THE ESCAPE OF TRAPPED AIR FROM SAID BAG, SAID VENT TUBE EXTENDING UPWARDLY FROM SAID HORIZONTAL SPOUT TO SAID STORAGE BIN.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-06 | 1959-08-08 | 1960-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-06 | 1963-08-08 | 1964-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-06 | 1967-08-08 | 1968-02-07 | $7700.00 | Window Closed / Lapsed |