US3380879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming a seal directly between an unmodified fluorocarbon polymer surface and an epoxy adhesive, and article made thereby
Assignee: AT&T Inc
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Filing: 1964-03-16
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Granted: 1968-04-30
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Expires: 1984-03-16
Abstract
No abstract record available.
Inventors
- 👤 Schonhorn Harold
- 👤 Louis H Sharpe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:45
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/12; C08J5/124; B; B29; B29C; B29C65/00; B29C65/48; B29C65/4805; B29C65/483; B29C65/4835; B29C66/00; B29C66/70; B29C66/71; B29C66/712; C08J2327/00; C08J2327/02; C08J2327/12; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31511; Y10T428/31515; Y10T428/31522
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) | 1971-04-30 | 1971-10-30 | 1972-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-30 | 1975-10-30 | 1976-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-30 | 1979-10-30 | 1980-04-30 | $7700.00 | Window Closed / Lapsed |