US3065210A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vinylidene aromatic phosphine monomers
Assignee: Monsanto Chemicals Ltd
•
Filing: 1960-04-06
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Granted: 1962-11-20
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Expires: 1980-04-06
Abstract
No abstract record available.
Inventors
- 👤 John G Abramo
- 👤 Earl C Chapin
- 👤 Albert Y Garner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:03
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/50; C07F9/5031; C08; C08F; C08F30/00; C08F30/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
9 words
AN ETHYLENICALLY UNSATURATED AROMATIC PHOSPHINE OF THE GENERAL FORMULA:
Claim 2
Dependent Claim
9 words
AN ETHYLENICALLY UNSATURATED AROMATIC PHOSPHINE OF THE GENERAL FORMULA:
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-19 | 1966-05-21 | 1966-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-19 | 1970-05-21 | 1970-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-19 | 1974-05-21 | 1974-11-20 | $7700.00 | Window Closed / Lapsed |