US2555745A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adhesive tapes and sheets
Assignee: CLEEF BROS Inc VAN
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Filing: 1948-07-27
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Granted: 1951-06-05
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Expires: 1968-07-27
Abstract
No abstract record available.
Inventors
- 👤 James E A Hopkins
- 👤 Carl E Frick
- 👤 Paul Van Cleef
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:58
CPC Classifications
C; C09; C09J; C09J7/00; C09J7/50; Y; Y10; Y10T; Y10T428/00; Y10T428/28; Y10T428/2843; Y10T428/2852; Y10T428/2857
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
PRESSURE-SENSITIVE ADHESIVE TAPES OR SHEETS COMPRISING A FLEXIBLE BACKING FILM CONSISTING MAINLY OF POLYMERIZED VINYL CHLORIDE, A BONDING COAT COMPRISING A POLYMERIZED DIENE ELASTOMER AND METHYLENE - BID - (4 - PHENUL ISOCYANTE) IN AN AMOUNT CORRESPONDING TO 10 TO 30 PARTS PER 100 PARTS OF SAID ELASTOMER, AND A PRESSURESENSITIVE ADHESIVE LAYER COMPRISING RUBBER AND RESINOUS MATERIAL.
Claim 2
Dependent Claim
58 words
PRESSURE-SENSITIVE ADHESIVE TAPES OR SHEETS COMPRISING A FLEXIBLE BACKING FILM CONSISTING MAINLY OF POLYMERIZED VINYL CHLORIDE, A BONDING COAT COMPRISING A POLYMERIZED DIENE ELASTOMER AND METHYLENE - BID - (4 - PHENUL ISOCYANTE) IN AN AMOUNT CORRESPONDING TO 10 TO 30 PARTS PER 100 PARTS OF SAID ELASTOMER, AND A PRESSURESENSITIVE ADHESIVE LAYER COMPRISING RUBBER AND RESINOUS MATERIAL.
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) | 1954-06-04 | 1954-12-04 | 1955-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-04 | 1958-12-04 | 1959-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-04 | 1962-12-04 | 1963-06-05 | $7700.00 | Window Closed / Lapsed |