Patent US2582670A successfully refreshed from Google Patents.
US2582670A
Expired / Lapsed
US
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Method of vulcanizing rubber and products thereof
Assignee: Monsanto Chemicals Ltd
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Filing: 1949-01-17
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Granted: 1952-01-15
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Expires: 1969-01-17
Abstract
No abstract record available.
Inventors
- 👤 David J Beaver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:13
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/0008; C08K5/0025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
28 words
THE METHOD OF VULCANIZING RUBBER WHICH COMPRISES HEATING A RUBBER AND SULFUR IN THE PRESENCE OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ACIDS OF THE STRUCTURE
Claim 2
Independent Claim
28 words
THE METHOD OF VULCANIZING RUBBER WHICH COMPRISES HEATING A RUBBER AND SULFUR IN THE PRESENCE OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ACIDS OF THE STRUCTURE
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) | 1955-01-14 | 1955-07-16 | 1956-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-14 | 1959-07-16 | 1960-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-14 | 1963-07-16 | 1964-01-15 | $7700.00 | Window Closed / Lapsed |