Patent US3166457A successfully refreshed from Google Patents.
US3166457A
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Method of making bags
Assignee: Individual
•
Filing: 1962-08-31
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Granted: 1965-01-19
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Expires: 1982-08-31
Abstract
No abstract record available.
Inventors
- 👤 Robert G Nichols
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:10
CPC Classifications
B; B31; B31B; B31B70/00; B31B70/60; B31B70/64; B31B2160/00; B31B2160/10; B31B70/74; B31B70/81; B31B70/812; B31B70/8123; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1084
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
A METHOD OF MASS PRODUCING BAGS EACH INCLUSIVE OF A U-SHAPED ENVELOPE OF THERMOPLASTIC MATERIAL CLOSED AT THE BOTTOM BY THE BRIGHT OR FOLD OF THE MATERIAL, AND AN INSERT OF STIFFER MATERIAL BETWEEN THE PANELS OF THE ENVELOPE COMPRISING; ADVANCING A FIRST WEB OF THE THERMOPLASTIC MATERIAL, HAVING THE SHAPE AFORESAID, AND A SECOND WEB OF THE STIFFER MATERIAL IN JUXATAPOSED RELATION TO AN INSERTER ELEMENT, WITH THE SECOND WEB BEING DISPOSED ATOP THE FIRST WEB, SAID INSERTER BEING INTERPOSED BETWEEN THE UPPER PANEL OF THERMOPLASTIC MATERIAL AND THE SECOND WEB TO BRING THE UPPER THERMOPLASTIC PANEL OVER THE PAPER WEB, THEREAFTER SEALING THE UPPER PANEL OF THERMOPLASTIC MATERIAL TO THE ADJACENT FACE OF THE SECOND WEB, JOINING THE THERMOPLASTIC PANELS AT SPACED INTERVALS CORRESPONDING TO THE DESIRED WIDTH OF THE BAGS, AND THEREAFTER CUTTING THE BAGS FROM THE JOINED WEBS.
Claim 2
Independent Claim
142 words
A METHOD OF MASS PRODUCING BAGS EACH INCLUSIVE OF A U-SHAPED ENVELOPE OF THERMOPLASTIC MATERIAL CLOSED AT THE BOTTOM BY THE BRIGHT OR FOLD OF THE MATERIAL, AND AN INSERT OF STIFFER MATERIAL BETWEEN THE PANELS OF THE ENVELOPE COMPRISING; ADVANCING A FIRST WEB OF THE THERMOPLASTIC MATERIAL, HAVING THE SHAPE AFORESAID, AND A SECOND WEB OF THE STIFFER MATERIAL IN JUXATAPOSED RELATION TO AN INSERTER ELEMENT, WITH THE SECOND WEB BEING DISPOSED ATOP THE FIRST WEB, SAID INSERTER BEING INTERPOSED BETWEEN THE UPPER PANEL OF THERMOPLASTIC MATERIAL AND THE SECOND WEB TO BRING THE UPPER THERMOPLASTIC PANEL OVER THE PAPER WEB, THEREAFTER SEALING THE UPPER PANEL OF THERMOPLASTIC MATERIAL TO THE ADJACENT FACE OF THE SECOND WEB, JOINING THE THERMOPLASTIC PANELS AT SPACED INTERVALS CORRESPONDING TO THE DESIRED WIDTH OF THE BAGS, AND THEREAFTER CUTTING THE BAGS FROM THE JOINED WEBS.
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) | 1968-01-19 | 1968-07-20 | 1969-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-19 | 1972-07-20 | 1973-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-19 | 1976-07-20 | 1977-01-19 | $7700.00 | Window Closed / Lapsed |