Patent US2674555A successfully refreshed from Google Patents.
US2674555A
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US
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Gummed strapping tape
Assignee: 3M Co
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Filing: 1950-08-17
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Granted: 1954-04-06
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Expires: 1970-08-17
Abstract
No abstract record available.
Inventors
- 👤 Walter H Pahl
- 👤 Keith H Williams
- 👤 Hubert J Tierney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:19
CPC Classifications
C; C09; C09J; C09J7/00; C09J7/20; C09J7/21; C09J2400/00; C09J2400/20; C09J2400/26; C09J2400/263; C09J2400/28; C09J2400/283; Y; Y10; Y10S; Y10S206/00; Y10S206/813; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249924; Y10T428/249933; Y10T428/249934; Y10T428/249939; Y10T428/31504; Y10T428/31826; Y10T428/31841
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A GUMMED TAPE OF THE CHARACTER DESCRIBED COMPRISING A BACKING AND A COATING OF A NORMALLY NON-TRACKY ADHESIVE ON ONE SURFACE OF THE BACKING, THE SAID BACKING BEING A LAMINATED STRUCTURE COMPRISING TWO SHEETS OF PAPER ADHERED TO EACH OTHER BY A LAYER OF A RUBBER-RESIN TYPE PRESSURE-SENSITIVE ADHESIVE WHICH IS WATERPROOF AND IS STABLY AND NORMALLY TACKY, AND A NONWOVEN LAYER OF CONTINUOUSLY HAIR-LIKE ORGANO-SYNTHETIC TEXTILE FILAMENTS FULLY EMBEDDED WITHIN THE ADHESIVE LAYER AND UNIFIED THEREWITH, THE FILAMENTS BEING ALIGNED LINEALLY IN RESPECT TO THE TAPE.
Claim 2
Dependent Claim
87 words
A GUMMED TAPE OF THE CHARACTER DESCRIBED COMPRISING A BACKING AND A COATING OF A NORMALLY NON-TRACKY ADHESIVE ON ONE SURFACE OF THE BACKING, THE SAID BACKING BEING A LAMINATED STRUCTURE COMPRISING TWO SHEETS OF PAPER ADHERED TO EACH OTHER BY A LAYER OF A RUBBER-RESIN TYPE PRESSURE-SENSITIVE ADHESIVE WHICH IS WATERPROOF AND IS STABLY AND NORMALLY TACKY, AND A NONWOVEN LAYER OF CONTINUOUSLY HAIR-LIKE ORGANO-SYNTHETIC TEXTILE FILAMENTS FULLY EMBEDDED WITHIN THE ADHESIVE LAYER AND UNIFIED THEREWITH, THE FILAMENTS BEING ALIGNED LINEALLY IN RESPECT TO THE TAPE.
References Cited (Backward Citations)
US1167466A
Cited
US1446094A
Cited
US1872316A
Cited
CH128707A
Cited
US2089405A
Cited
US2444830A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-05 | 1957-10-05 | 1958-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-05 | 1961-10-05 | 1962-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-05 | 1965-10-05 | 1966-04-06 | $7700.00 | Window Closed / Lapsed |