Patent US3057223A successfully refreshed from Google Patents.
Patent US3058922A successfully refreshed from Google Patents.
US3058922A
Expired / Lapsed
US
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Polymers of methallyl chloride epoxide
Assignee: Hercules Powder Co
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Filing: 1959-09-30
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Granted: 1962-10-16
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Expires: 1979-09-30
Abstract
No abstract record available.
Inventors
- 👤 Edwin J Vandenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:12
CPC Classifications
C; C08; C08G; C08G65/00; C08G65/02; C08G65/04; C08G65/22; C08G65/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
AS A NEW COMPOSITION OF MATTER A HOMOPOLYMER OF METHALLYL CHLORIDE EPOXIDE.
Claim 2
Dependent Claim
12 words
AS A NEW COMPOSITION OF MATTER A HOMOPOLYMER OF METHALLYL CHLORIDE EPOXIDE.
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) | 1965-10-15 | 1966-04-16 | 1966-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-15 | 1970-04-16 | 1970-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-15 | 1974-04-16 | 1974-10-16 | $7700.00 | Window Closed / Lapsed |