Patent US2876859A successfully refreshed from Google Patents.
US2876859A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulse suppressing apparatus
Assignee: Cook Electric Co
•
Filing: 1956-08-27
•
Granted: 1959-03-10
•
Expires: 1976-08-27
Abstract
No abstract record available.
Inventors
- 👤 Moore Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:13
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/04; F16L55/041
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US806714A
Cited
GB121212A
Cited
US1622843A
Cited
US1855880A
Cited
US2070543A
Cited
GB484771A
Cited
US2403699A
Cited
US2382159A
Cited
US2707033A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-09 | 1962-09-08 | 1963-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-09 | 1966-09-08 | 1967-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-09 | 1970-09-08 | 1971-03-10 | $7700.00 | Window Closed / Lapsed |