US2634359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrically heated device for antigen tests
Assignee: Individual
•
Filing: 1950-06-14
•
Granted: 1953-04-07
•
Expires: 1970-06-14
Abstract
No abstract record available.
Inventors
- 👤 Terry H Sue
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:58
CPC Classifications
B; B01; B01L; B01L7/00; Y; Y10; Y10S; Y10S436/00; Y10S436/807
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1620351A
Cited
US1955359A
Cited
US1839573A
Cited
US2118305A
Cited
US2194131A
Cited
US2410013A
Cited
US2477603A
Cited
US2502220A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-06 | 1956-10-06 | 1957-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-06 | 1960-10-06 | 1961-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-06 | 1964-10-06 | 1965-04-07 | $7700.00 | Window Closed / Lapsed |