US2508596A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing and antiseize pipe joint compound
Assignee: Individual
•
Filing: 1948-09-01
•
Granted: 1950-05-23
•
Expires: 1968-09-01
Abstract
No abstract record available.
Inventors
- 👤 Clarence H Cox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:55
CPC Classifications
C; C09; C09J; C09J191/00; C09J191/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
33 words
A JOINT COMPOUND COMPRISING A PIGMENT CONSISTING OF POWDERED GRAPHITE, AND A VEHICLE INCLUDING CHLORINATED DIPHENYL AND A SOLVENT THEREOF CONSISTING OF A CHLORINATED HYDROCARABON, THE APPROXIMATELY 52% AND 48%, RESPECTIVELY, BY WEIGHT.
Claim 2
Dependent Claim
33 words
A JOINT COMPOUND COMPRISING A PIGMENT CONSISTING OF POWDERED GRAPHITE, AND A VEHICLE INCLUDING CHLORINATED DIPHENYL AND A SOLVENT THEREOF CONSISTING OF A CHLORINATED HYDROCARABON, THE APPROXIMATELY 52% AND 48%, RESPECTIVELY, BY WEIGHT.
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) | 1953-05-22 | 1953-11-21 | 1954-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-22 | 1957-11-21 | 1958-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-22 | 1961-11-21 | 1962-05-23 | $7700.00 | Window Closed / Lapsed |