Patent US2887262A successfully refreshed from Google Patents.
US2887262A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Packaging material
Assignee: Individual
•
Filing: 1958-07-10
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Granted: 1959-05-19
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Expires: 1978-07-10
Abstract
No abstract record available.
Inventors
- 👤 Morris R Rogers
- 👤 Arthur M Kaplan
- 👤 Mary E Pillion
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:23
CPC Classifications
D; D21; D21H; D21H19/00; D21H19/10; D21H19/14; D21H19/18; D21H19/20; D21H19/22; D21H19/24; D21H19/28; D21H19/80; D21H19/84
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
77 words
A LAMINATED PACKAGING MATERIAL CHARACTERIZED BY SUPERIOR IMPENETRABILITY TO HALOGEN VAPORS, COMPRISING PAPER COATED ON ONE SIDE WITH A FILM OF POLYETHYLENE TEREPHTHALATE OF A THICKNESS OF ABOUT .0005 INCH TO ABOUT .001 INCH, AND ON THE OTHER SIDE WITH A LAYER OF A THICKNESS OF ABOUT .003 INCH TO ABOUT .004 INCH, SAID LAYER BEING A MIXTURE OF ABOUT 92 TO ABOUT 95 PARTS OF MICROCRYSTALLINE WAX AND ABOUT 5 TO ABOUT 8 PARTS OF POLYISOBUTYLENE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-18 | 1962-11-17 | 1963-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-18 | 1966-11-17 | 1967-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-18 | 1970-11-17 | 1971-05-19 | $7700.00 | Window Closed / Lapsed |