US2643464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic drying control system
Assignee: AMERICAN INSTR CO Inc
•
Filing: 1949-03-07
•
Granted: 1953-06-30
•
Expires: 1969-03-07
Abstract
No abstract record available.
Inventors
- 👤 Robert E Hadady
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:22
CPC Classifications
F; F26; F26B; F26B21/00; F26B21/30; Y; Y10; Y10T; Y10T137/00; Y10T137/1407; Y10T137/1516; Y10T137/2496; Y10T137/2499
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1167740A
Cited
US1467306A
Cited
US1539230A
Cited
US1707547A
Cited
US2080059A
Cited
US2037695A
Cited
US2333000A
Cited
US2347601A
Cited
US2548939A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-29 | 1956-12-29 | 1957-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-29 | 1960-12-29 | 1961-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-29 | 1964-12-29 | 1965-06-30 | $7700.00 | Window Closed / Lapsed |