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US2450435A
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Polymers of vinyl chloride plasticized with a dioctyl phthalate and liquid petrolatum
Assignee: BENNETT H LEVENSON
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Filing: 1944-04-06
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Granted: 1948-10-05
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Expires: 1964-04-06
Abstract
No abstract record available.
Inventors
- 👤 Addeline J Mcgillicuddy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:03
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/10; C08K5/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2181481A
Cited
US2104408A
Cited
US2238730A
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US2215590A
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US2191056A
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US2349413A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-10-05 | 1952-04-05 | 1952-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-10-05 | 1956-04-05 | 1956-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-10-05 | 1960-04-05 | 1960-10-05 | $7700.00 | Window Closed / Lapsed |