US3431135A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reducing flame treatment of polyethylene terephthalate film prior to aluminizing
Assignee: EIDP Inc
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Filing: 1966-06-13
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Granted: 1969-03-04
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Expires: 1986-06-13
Abstract
No abstract record available.
Inventors
- 👤 John J Keane
- 👤 John C Lough
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:47
CPC Classifications
C; C08; C08J; C08J7/00; C08J7/12; B; B29; B29C; B29C59/00; B29C59/08; C23; C23C; C23C14/00; C23C14/02; D; D06; D06Q; D06Q1/00; D06Q1/04; B29K; B29K2067/00; C08J2367/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31692
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-03 | 1972-09-02 | 1973-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-03 | 1976-09-02 | 1977-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-03 | 1980-09-02 | 1981-03-04 | $7700.00 | Window Closed / Lapsed |