US3370049A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vulcanization process
Assignee: ChampionX LLC
•
Filing: 1965-10-19
•
Granted: 1968-02-20
•
Expires: 1985-10-19
Abstract
No abstract record available.
Inventors
- 👤 Logan V Miller
- 👤 Laurence E Stanton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:04
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/0008; C08K5/0025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
17 words
A PROCES FOR VULCANIZING RUBBER WHEREIN SULFUR AND AN ACCELERATING AMOUNT OF A COMPOUND HAVING THE FORMULA:
Claim 2
Dependent Claim
17 words
A PROCES FOR VULCANIZING RUBBER WHEREIN SULFUR AND AN ACCELERATING AMOUNT OF A COMPOUND HAVING THE FORMULA:
References Cited (Backward Citations)
US2636830A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-19 | 1971-08-21 | 1972-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-19 | 1975-08-21 | 1976-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-19 | 1979-08-21 | 1980-02-20 | $7700.00 | Window Closed / Lapsed |