US3063974A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymers of fulveno-metallic compounds
Assignee: Union Carbide Corp
•
Filing: 1956-12-10
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Granted: 1962-11-13
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Expires: 1976-12-10
Abstract
No abstract record available.
Inventors
- 👤 Roy L Pruett
- 👤 Edward L Morehouse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:39
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/009; C04B41/45; C04B41/46; C04B41/49; C04B41/50; C04B41/51; C04B41/5144; C07; C07F; C07F17/00; C07F17/02; C08; C08F; C08F30/00; C08F30/04; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/4007; C08G59/68; C08G59/70; C08K; C08K5/00; C08K5/56
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
15 words
AS A COMPOSITION OF MATTER A POLYMER OF A FULVENOIRON COMPOUND HAVING THE STRUCTUAL FORMULA
Claim 2
Dependent Claim
15 words
AS A COMPOSITION OF MATTER A POLYMER OF A FULVENOIRON COMPOUND HAVING THE STRUCTUAL 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) | 1965-11-12 | 1966-05-14 | 1966-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-12 | 1970-05-14 | 1970-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-12 | 1974-05-14 | 1974-11-13 | $7700.00 | Window Closed / Lapsed |