US2453167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copolymers of dialkenyl arylphosphonates with vinyl acetate
Assignee: Victor Chemical Works
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Filing: 1945-12-29
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Granted: 1948-11-09
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Expires: 1965-12-29
Abstract
No abstract record available.
Inventors
- 👤 Toy Arthur Dock Fon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:00
CPC Classifications
C; C08; C08F; C08F30/00; C08F30/02; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10S428/921; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31645; Y10T428/31649; Y10T442/00; Y10T442/20; Y10T442/2549; Y10T442/2574; Y10T442/2762; Y10T442/277; Y10T442/2787; Y10T442/2926; Y10T442/2934; Y10T442/2943
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2389576A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-11-09 | 1952-05-10 | 1952-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-09 | 1956-05-10 | 1956-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-09 | 1960-05-10 | 1960-11-09 | $7700.00 | Window Closed / Lapsed |