US3365355A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tetrafluoroethylene polymer articles having one readily cementable surface containing glass particles
Assignee: Pennwalt Corp
•
Filing: 1964-04-29
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Granted: 1968-01-23
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Expires: 1984-04-29
Abstract
No abstract record available.
Inventors
- 👤 Netsch Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:02
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/12; C08J5/124; B; B32; B32B; B32B27/00; C08J2327/00; C08J2327/02; C08J2327/12; C08J2327/18; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31511; Y10T428/31515; Y10T428/31518; Y10T428/31522; Y10T428/3154
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2427183A
Cited
US2728698A
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US2809130A
Cited
US3067135A
Cited
US3067078A
Cited
US3198691A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-22 | 1971-07-24 | 1972-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-22 | 1975-07-24 | 1976-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-22 | 1979-07-24 | 1980-01-23 | $7700.00 | Window Closed / Lapsed |