US3401923A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dryer
Assignee: Wilmot Engineering Co
•
Filing: 1966-02-17
•
Granted: 1968-09-17
•
Expires: 1986-02-17
Abstract
No abstract record available.
Inventors
- 👤 Wendell E Bearce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:36
CPC Classifications
F; F26; F26B; F26B11/00; F26B11/02; F26B11/04; F26B11/0463; F26B11/0468; F26B11/0472; F26B11/0404; F26B11/0413; F26B11/0445; F26B11/045; F26B3/00; F26B3/18; F26B3/20; F26B3/205
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) | 1971-09-17 | 1972-03-18 | 1972-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-17 | 1976-03-18 | 1976-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-17 | 1980-03-18 | 1980-09-17 | $7700.00 | Window Closed / Lapsed |