Patent US3201302A successfully refreshed from Google Patents.
US3201302A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat sealing of polyolefin films
Assignee: Eastman Kodak Co
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Filing: 1960-12-08
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Granted: 1965-08-17
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Expires: 1980-12-08
Abstract
No abstract record available.
Inventors
- 👤 Jr Robert F Williams
- 👤 Billy R Dotson
- 👤 Raymond T Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:20
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/12; C08J5/122; C08J2323/00; C08J2323/02; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/31909; Y10T428/31913
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
46 words
A BONDED ARTICLE COMPRISING AT LEAST TWO SURFACES OF COMPRESSION ROLLED POLYOLEFIN SHEET MATERIAL HEAT SEALED TOGETHER WITH A SEALING AID SELECTED FROM THE GROUP CONSISTING OF CARBON TETRACHLORIDE, CHLOROETHYLENE, PROPYLENE DICHLORIDE, DICHLOROBUTANE, 1,1-DICHLORO - 2 - METHYL PROPANE, TETRAMETHYLENE DICHLORIDE, TOLUENE, XYLENE, DECALIN, AND TETRALIN.
References Cited (Backward Citations)
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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) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |