US2968874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature control apparatus for cotton driers
Assignee: Honeywell Inc
•
Filing: 1957-03-26
•
Granted: 1961-01-24
•
Expires: 1977-03-26
Abstract
No abstract record available.
Inventors
- 👤 Ralph E Fishburn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:43
CPC Classifications
F; F26; F26B; F26B17/00; F26B17/10; F26B17/106; F26B21/00; F26B21/30; F26B21/35
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-24 | 1964-07-25 | 1965-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-24 | 1968-07-25 | 1969-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-24 | 1972-07-25 | 1973-01-24 | $7700.00 | Window Closed / Lapsed |