US3481912A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cross-linked polymers of vinyl halides and vinylidene halides
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1965-10-21
•
Granted: 1969-12-02
•
Expires: 1985-10-21
Abstract
No abstract record available.
Inventors
- 👤 Byron M Vanderbilt
- 👤 Roger S Hawley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:05
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/18; C08K3/20; C08K3/22; C08K5/00; C08K5/04; C08K5/07; C08K5/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2157997A
Cited
US2427071A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-01 | 1973-06-02 | 1973-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-01 | 1977-06-02 | 1977-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-01 | 1981-06-02 | 1981-12-02 | $7700.00 | Window Closed / Lapsed |