US3184428A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Prevention of colored iron compounds in asbestos containing polyvinyl chloride resins
Assignee: Argus Chemical Corp
•
Filing: 1961-04-17
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Granted: 1965-05-18
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Expires: 1981-04-17
Abstract
No abstract record available.
Inventors
- 👤 Arthur C Hecker
- 👤 Mark W Pollock
- 👤 Cohen Seymour
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:36
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/29; C08K5/31; C08K5/34; C08K7/00; C08K7/02; C08K7/04; C08K7/10; C08K7/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA522953A
Cited
US2899398A
Cited
US2367483A
Cited
US2410775A
Cited
US2491443A
Cited
US3084135A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-17 | 1968-11-16 | 1969-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-17 | 1972-11-16 | 1973-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-17 | 1976-11-16 | 1977-05-18 | $7700.00 | Window Closed / Lapsed |