US3075864A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Overwrap material and method of making same
Assignee: Rap Ind Inc
•
Filing: 1957-10-03
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Granted: 1963-01-29
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Expires: 1977-10-03
Abstract
No abstract record available.
Inventors
- 👤 Harlan V Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:13
CPC Classifications
B; B32; B32B; B32B27/00; B29; B29C; B29C65/00; B29C65/02; B29C65/40; B29C65/48; B29C65/4805; B29C65/481; B29C65/4815; B29C65/4825; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/45; B29C66/70; B29C66/71; B29C66/72; B29C66/723; B29C66/7232; B29C66/72321; B29C66/72327; B29C66/72328; B29C66/7234; B29C66/73; B29C66/739; B29C66/7392; B29C66/80; B29C66/83; B29C66/834; B29C66/8341; B29C66/83411; B29C66/83413; B29C66/83415; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/263; Y10T428/264; Y10T428/31504; Y10T428/31678
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
AN IMPROVED NON-BLOCKING HEAT SEALABLE OVERWRAP MATERIAL COMPRISING A THIN FLEXIBLE IMPERVIOUS BASE SHEET, A DISTINCT LAYER OF A HEAT AND PRESSURE SENSITIVE WAX ADHESIVE MATERIAL COMPRISED OF AT LEAST 50% MICROCRYSTALLINE WAX COATED ON ONE SIDE OF SAID BASE SHEET AND A THIN DISTINCT PREFORMED ANTI-BLOCKING FILM OF POLYETHYLENE OVERLYING SAID ADHESIVE IN INTIMATE CONTACT THEREWITH, SAID POLYETHYLENE FILM BEING ADHERED TO SAID ADHESIVE LAYER AND THE INTERFACE BETWEEN THE POLYETHYLENE FILM AND THE ADHESIVE LAYER BEING FREE FROM FUSION BETWEEN THE FILM AND LAYER.
Claim 2
Dependent Claim
86 words
AN IMPROVED NON-BLOCKING HEAT SEALABLE OVERWRAP MATERIAL COMPRISING A THIN FLEXIBLE IMPERVIOUS BASE SHEET, A DISTINCT LAYER OF A HEAT AND PRESSURE SENSITIVE WAX ADHESIVE MATERIAL COMPRISED OF AT LEAST 50% MICROCRYSTALLINE WAX COATED ON ONE SIDE OF SAID BASE SHEET AND A THIN DISTINCT PREFORMED ANTI-BLOCKING FILM OF POLYETHYLENE OVERLYING SAID ADHESIVE IN INTIMATE CONTACT THEREWITH, SAID POLYETHYLENE FILM BEING ADHERED TO SAID ADHESIVE LAYER AND THE INTERFACE BETWEEN THE POLYETHYLENE FILM AND THE ADHESIVE LAYER BEING FREE FROM FUSION BETWEEN THE FILM AND 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) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |