Patent US3076016A successfully refreshed from Google Patents.
US3076016A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of polymerizing acetylene and certain substituted acetylenes using a nickel complex compound and products produced thereby
Assignee: Wyeth Holdings LLC
•
Filing: 1960-03-25
•
Granted: 1963-01-29
•
Expires: 1980-03-25
Abstract
No abstract record available.
Inventors
- 👤 Joseph R Leto
- 👤 Marilyn L Fiene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:48
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/02; C07C2/42; C07C2/48; C07F; C07F15/00; C07F15/04; C07F15/045; C07F9/00; C07F9/66; C07F9/70; C07F9/90; C07C2527/00; C07C2527/14; C07C2527/185; C07C2531/00; C07C2531/16; C07C2531/22; C07C2601/00; C07C2601/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
COMPOUNDS REPRESENTED BY THE GENERAL FORMULA SELECTED FROM THE CLASS CONSISTING OF
Claim 2
Dependent Claim
12 words
COMPOUNDS REPRESENTED BY THE GENERAL FORMULA SELECTED FROM THE CLASS CONSISTING OF
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) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |