Patent US2754644A successfully refreshed from Google Patents.
US2754644A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for producing filled bags
Assignee: Pneumatic Scale Corp
•
Filing: 1953-06-10
•
Granted: 1956-07-17
•
Expires: 1973-06-10
Abstract
No abstract record available.
Inventors
- 👤 Robert W Vergobbi
- 👤 Alfred L Bergeron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:13
CPC Classifications
B; B65; B65B; B65B9/00; B65B9/02; B65B9/04; B65B9/042
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
IN A METHOD OF MAKING INDIVIDUAL FILLED AND CLOSED BAGS, THE STEPS COMPRISING FOLDING AND SEALING A WEB OF BAG MAKING MATERIAL TO FORM A STRIP OF CONNECTED FLAT BAG SECTIONS OPEN AT THE TOP, GRIPPING AND SUPPORTING SUCCESSIVE TWO BAG SECTIONS COMPRISING THE TWO ENDMOST BAGS OF THE STRIP AT POINTS ADJACENT THE ENDS OF THE OPEN TOP PORTIONS OF EACH BAG AND SEVERING THE TWO BAG SECTION FROM THE STRIP WHILE THUS SUPPORTED, THEN SEVERING THE TWO BAG SECTION TO FORM TWO INDIVIDUAL BAGS, SPREADING THE FLAT SIDE WALLS OF EACH BAG APART WHILE SIMULTANEOUSLY MOVING THE GRIPPED ENDS OF EACH BAG TOWARD EACH OTHER TO OPEN THE MOUTHS OF THE BAGS, THEN EX-
Claim 2
Dependent Claim
116 words
IN A METHOD OF MAKING INDIVIDUAL FILLED AND CLOSED BAGS, THE STEPS COMPRISING FOLDING AND SEALING A WEB OF BAG MAKING MATERIAL TO FORM A STRIP OF CONNECTED FLAT BAG SECTIONS OPEN AT THE TOP, GRIPPING AND SUPPORTING SUCCESSIVE TWO BAG SECTIONS COMPRISING THE TWO ENDMOST BAGS OF THE STRIP AT POINTS ADJACENT THE ENDS OF THE OPEN TOP PORTIONS OF EACH BAG AND SEVERING THE TWO BAG SECTION FROM THE STRIP WHILE THUS SUPPORTED, THEN SEVERING THE TWO BAG SECTION TO FORM TWO INDIVIDUAL BAGS, SPREADING THE FLAT SIDE WALLS OF EACH BAG APART WHILE SIMULTANEOUSLY MOVING THE GRIPPED ENDS OF EACH BAG TOWARD EACH OTHER TO OPEN THE MOUTHS OF THE BAGS, THEN EX-
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) | 1959-07-17 | 1960-01-16 | 1960-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-17 | 1964-01-16 | 1964-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-17 | 1968-01-16 | 1968-07-17 | $7700.00 | Window Closed / Lapsed |