Patent US3406224A successfully refreshed from Google Patents.
US3406224A
Expired / Lapsed
US
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Non-flammable polyethylene terephthalate film
Assignee: EIDP Inc
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Filing: 1966-03-14
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Granted: 1968-10-15
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Expires: 1986-03-14
Abstract
No abstract record available.
Inventors
- 👤 Mcdonough Leslie Marvin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:24
CPC Classifications
H; H05; H05K; H05K7/00; H05K7/20; C; C08; C08L; C08L67/00; C08L67/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2623031A
Cited
US2692248A
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US3053795A
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US3053878A
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US3265762A
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US3331890A
Cited
US3321553A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-15 | 1972-04-15 | 1972-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-15 | 1976-04-15 | 1976-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-15 | 1980-04-15 | 1980-10-15 | $7700.00 | Window Closed / Lapsed |