US2702825A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkyl polychlorobenzyl ethers
Assignee: Sprague Electric Co
•
Filing: 1951-08-07
•
Granted: 1955-02-22
•
Expires: 1971-08-07
Abstract
No abstract record available.
Inventors
- 👤 Sidney D Ross
- 👤 Markarian Moushy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:58
CPC Classifications
C; C07; C07C; C07C43/00; C07C43/02; C07C43/03; C07C43/14; C07C43/17; C07C43/174; C07C43/1742; C08; C08K; C08K5/00; C08K5/04; C08K5/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
A COMPOUND CONFORMING TO THE FORMULA:
Claim 2
Dependent Claim
6 words
A COMPOUND CONFORMING TO THE FORMULA:
References Cited (Backward Citations)
US2139369A
Cited
US2412389A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-02-21 | 1958-08-23 | 1959-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-02-21 | 1962-08-23 | 1963-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-02-21 | 1966-08-23 | 1967-02-22 | $7700.00 | Window Closed / Lapsed |