Patent US1245057A successfully refreshed from Google Patents.
Patent US703215A successfully refreshed from Google Patents.
Patent US3050531A successfully refreshed from Google Patents.
US3050531A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Substituted 10-phosphatricyclo [3.3.1.1] decanes and methods of preparing same
Assignee: Wyeth Holdings LLC
•
Filing: 1960-07-06
•
Granted: 1962-08-21
•
Expires: 1980-07-06
Abstract
No abstract record available.
Inventors
- 👤 Epstein Martin
- 👤 Sheldon A Buckler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:04
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/26; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/30; C07F9/547; C07F9/6564; C07F9/6568; C07F9/65683; C07F9/6571; C07F9/657163
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A 1,3,5,7-TETRAALKYL-2-OXA-10-PHOSPHATRICYCLO(3.3.1.13,7)DECANE OF THE FORMULA
Claim 2
Dependent Claim
5 words
A 1,3,5,7-TETRAALKYL-2-OXA-10-PHOSPHATRICYCLO(3.3.1.13,7)DECANE OF THE 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) | 1965-08-20 | 1966-02-19 | 1966-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-20 | 1970-02-19 | 1970-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-20 | 1974-02-19 | 1974-08-21 | $7700.00 | Window Closed / Lapsed |