Patent DE2501683C3 successfully refreshed from Google Patents.
US2755535A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coated flexible fabric
Assignee: Industrial Rayon Corp
•
Filing: 1953-03-05
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Granted: 1956-07-24
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Expires: 1973-03-05
Abstract
No abstract record available.
Inventors
- 👤 Alvin A Schoenberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:25
CPC Classifications
D; D06; D06N; D06N3/00; D06N3/0002; D06N3/0009; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2762; Y10T442/277; Y10T442/2787
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
23 words
A FLEXIBLE SHEET MATERIAL COMPRISING; A BASE LAYER FO VISCOSE RAYON PLAIN CIRCULAR KNIT FABRIC; AND AN IMPERFORATE LAYER OF VINYL PLASTIC MATERIAL.
Claim 2
Dependent Claim
23 words
A FLEXIBLE SHEET MATERIAL COMPRISING; A BASE LAYER FO VISCOSE RAYON PLAIN CIRCULAR KNIT FABRIC; AND AN IMPERFORATE LAYER OF VINYL PLASTIC MATERIAL.
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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) | 1959-07-24 | 1960-01-23 | 1960-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-24 | 1964-01-23 | 1964-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-24 | 1968-01-23 | 1968-07-24 | $7700.00 | Window Closed / Lapsed |