Patent US3189702A successfully refreshed from Google Patents.
US3189702A
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US
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Package and method of making
Assignee: 3M Co
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Filing: 1962-08-15
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Granted: 1965-06-15
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Expires: 1982-08-15
Abstract
No abstract record available.
Inventors
- 👤 Thomas H Wall
- 👤 Allen D Pearson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:50
CPC Classifications
B; B65; B65D; B65D75/00; B65D75/28; B65D75/30; B29; B29C; B29C65/00; B29C65/02; B29C65/14; B29C65/1403; B29C65/1412; B29C65/1429; B29C65/1435; B29C65/1454; B29C65/1458; B29C65/1477; B29C65/1483; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/20; B29C66/22; B29C66/229; B29C66/23; B29C66/232; B29C66/40; B29C66/41; B29C66/43; B29C66/70; B29C66/72; B29C66/723; B29C66/73; B29C66/733; B29C66/7336; B29C66/73365; B29C66/73366; B29C66/739; B29C66/7392; B29C66/73921; B29C66/80; B29C66/81; B29C66/812; B29C66/8126; B29C66/81266; B29C66/81267; B29C66/83; B29C66/834; B29C66/8341; B29C66/83411; B29C66/83413; B29C66/8351; B29C66/83511; B65B; B65B51/00; B65B51/10; B65B51/22; B29C66/71; B29C66/7232; B29C66/72327; B29C66/72328; B29C66/816; B29C66/8161; B29C66/818; B29C66/8182; B29C66/81821; B29K; B29K2995/00; B29K2995/0018; B29K2995/0026; B29K2995/0027; B29L; B29L2009/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
A PACKAGE OF ASEPTICALLY CLEAN CONTENTS ENCLOSED BETWEEN A FIRST THIN PLASTIC FILM AND A SECOND THIN PLASTIC FILM AT LEAST AS THICK AS SAID FIRST FILM HERMETICALLY SEALED TOGETHER ALONG A CONTINUOUS SEAL AREA OPENABLE BY HAND PULLING WITHOUT TEARING OF EITHER OF SAID FILMS, SAID SEAL AREA INCLUDING A CENTRAL NARROW UNIFORM SMOOTH-EDGED STRIPE OF STRONGLY RADIATION-ABSORPTIVE THERMALLY NON-ADHERENT INK ON A SURFACE OF ONE OF SAID FILM AND SAID SURFACE BEING AUTOGENOUSLY SEALED TO THE ADJACENT SURFACE OF THE OTHER OF SAID FILMS ONLY ALONG NARROW FUSION BANDS CONTIGUOUS TO THE EDGES OF SAID INK STRIPE, THE WIDTH OF SAID INK STRIPE BEING ABOUT ONE TO ABOUT TWENTY TIMES THE THICKNESS OF THE SAID FIRST FILM.
Claim 2
Dependent Claim
119 words
A PACKAGE OF ASEPTICALLY CLEAN CONTENTS ENCLOSED BETWEEN A FIRST THIN PLASTIC FILM AND A SECOND THIN PLASTIC FILM AT LEAST AS THICK AS SAID FIRST FILM HERMETICALLY SEALED TOGETHER ALONG A CONTINUOUS SEAL AREA OPENABLE BY HAND PULLING WITHOUT TEARING OF EITHER OF SAID FILMS, SAID SEAL AREA INCLUDING A CENTRAL NARROW UNIFORM SMOOTH-EDGED STRIPE OF STRONGLY RADIATION-ABSORPTIVE THERMALLY NON-ADHERENT INK ON A SURFACE OF ONE OF SAID FILM AND SAID SURFACE BEING AUTOGENOUSLY SEALED TO THE ADJACENT SURFACE OF THE OTHER OF SAID FILMS ONLY ALONG NARROW FUSION BANDS CONTIGUOUS TO THE EDGES OF SAID INK STRIPE, THE WIDTH OF SAID INK STRIPE BEING ABOUT ONE TO ABOUT TWENTY TIMES THE THICKNESS OF THE SAID FIRST FILM.
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) | 1968-06-14 | 1968-12-14 | 1969-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-14 | 1972-12-14 | 1973-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-14 | 1976-12-14 | 1977-06-15 | $7700.00 | Window Closed / Lapsed |