Patent US3772458A successfully refreshed from Google Patents.
US2925174A
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Solvent-resistant pressure-sensitive adhesive tape
Assignee: 3M Co
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Filing: 1956-11-02
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Granted: 1960-02-16
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Expires: 1976-11-02
Abstract
No abstract record available.
Inventors
- 👤 Robert H Stow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:03
CPC Classifications
C; C09; C09J; C09J133/00; C09J133/04; C09J133/06; C09J133/08; C09J7/00; C09J7/20; C09J7/22; C09J7/30; C09J7/38; C09J7/381; C09J7/385; C08; C08L; C08L2666/00; C08L2666/02; C08L2666/14; C08L2666/28; C08L79/00; C08L79/02; C09J2301/00; C09J2301/30; C09J2301/302; Y; Y10; Y10T; Y10T428/00; Y10T428/28; Y10T428/2813; Y10T428/2852; Y10T428/2878; Y10T428/2891; Y10T428/31504; Y10T428/31855; Y10T428/3188; Y10T428/31884; Y10T428/31888; Y10T428/31938
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
35 words
A NORMALLY TACKY AND PRESSURE-SENSITIVE ADHESIVE TAPE COMPRISING A THIN, FLEXIBLE, MOISTURE- AND SOLVENTRESISTANT BACKING CARRYING A SURFACE LAYER OF A PRESSURESENSITIVE ADHESIVE COMPOSITION WHICH REACTS UPON MODERATE HEATING TO A SOLVENT-RESISTANT, ADHERENT STATE, THE
Claim 2
Dependent Claim
35 words
A NORMALLY TACKY AND PRESSURE-SENSITIVE ADHESIVE TAPE COMPRISING A THIN, FLEXIBLE, MOISTURE- AND SOLVENTRESISTANT BACKING CARRYING A SURFACE LAYER OF A PRESSURESENSITIVE ADHESIVE COMPOSITION WHICH REACTS UPON MODERATE HEATING TO A SOLVENT-RESISTANT, ADHERENT STATE, THE
Claim 3
Dependent Claim
40 words
A CONVOLUTELY WOUND ROLL OF THE NORMALLY TACKY AND PRESSURE-SENSITIVE ADHESIVE COATED SHEET OR TAPE OF CLAIM 1 IN NARROW CONTINUOUS TAPE FORM AND CAPABLE OF BEING UNWOUND FROM SAID ROLL WITHOUT SPLITTING AND OFFSETTING OF THE ADHESIVE SURFACE LAYER.
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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) | 1963-02-15 | 1963-08-17 | 1964-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-15 | 1967-08-17 | 1968-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-15 | 1971-08-17 | 1972-02-16 | $7700.00 | Window Closed / Lapsed |