US2852878A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrocardiographic card mount
Assignee: Individual
•
Filing: 1953-10-22
•
Granted: 1958-09-23
•
Expires: 1973-10-22
Abstract
No abstract record available.
Inventors
- 👤 Domenech Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:30
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/54; G03B21/64
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US498761A
Cited
US1315899A
Cited
US646638A
Cited
US845183A
Cited
US864648A
Cited
US1687137A
Cited
US1956392A
Cited
US2193296A
Cited
US2285214A
Cited
US2496141A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-22 | 1962-03-24 | 1962-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-22 | 1966-03-24 | 1966-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-22 | 1970-03-24 | 1970-09-23 | $7700.00 | Window Closed / Lapsed |