US2837835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dryer
Assignee: ELECTRIC AIRE ENGINEERING CORP
•
Filing: 1954-03-04
•
Granted: 1958-06-10
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Expires: 1974-03-04
Abstract
No abstract record available.
Inventors
- 👤 Elmer S Hewitt
- 👤 Louis E Beyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:18
CPC Classifications
A; A47; A47K; A47K10/00; A47K10/48; F; F04; F04D; F04D29/00; F04D29/58; F04D29/582; F04D29/70; F04D29/701; F04D29/703
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB166677A
Cited
US1548839A
Cited
US2129059A
Cited
US2420732A
Cited
US2479571A
Cited
US2677041A
Cited
US2646629A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-09 | 1961-12-09 | 1962-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-09 | 1965-12-09 | 1966-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-09 | 1969-12-09 | 1970-06-10 | $7700.00 | Window Closed / Lapsed |