US2879247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molded sealing element
Assignee: Individual
•
Filing: 1946-09-24
•
Granted: 1959-03-24
•
Expires: 1966-09-24
Abstract
No abstract record available.
Inventors
- 👤 Bradford Bernard William
- 👤 Skinner Wilfred Jesse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:01
CPC Classifications
C; C08; C08K; C08K9/00; C08K9/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
18 words
A MOLDABLE COMPOSITION COMPRISING IN ADMIXTURE POLYTETRAFLUORETHYLENE AND THE PRODUCT OF TREATING GRAPHITIC CARBON WITH URANIUM HEXAFLUORIDE VAPOR
Claim 2
Dependent Claim
18 words
A MOLDABLE COMPOSITION COMPRISING IN ADMIXTURE POLYTETRAFLUORETHYLENE AND THE PRODUCT OF TREATING GRAPHITIC CARBON WITH URANIUM HEXAFLUORIDE VAPOR
References Cited (Backward Citations)
US1224014A
Cited
US2400099A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-23 | 1962-09-22 | 1963-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-23 | 1966-09-22 | 1967-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-23 | 1970-09-22 | 1971-03-24 | $7700.00 | Window Closed / Lapsed |