US3390800A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controlled torque gasket compositions for container closure elements containing a mixture of mineral oil and fatty acid amides
Assignee: WR Grace and Co
•
Filing: 1965-12-22
•
Granted: 1968-07-02
•
Expires: 1985-12-22
Abstract
No abstract record available.
Inventors
- 👤 Charles W Simons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:11
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/20; C08L; C08L27/00; C08L27/02; C08L27/04; C08L27/06; C08L91/00; Y; Y10; Y10S; Y10S260/00; Y10S260/37
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3142401A
Cited
US3231529A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-02 | 1972-01-01 | 1972-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-02 | 1976-01-01 | 1976-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-02 | 1980-01-01 | 1980-07-02 | $7700.00 | Window Closed / Lapsed |