US2036597A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined fan and heater
Assignee: Individual
•
Filing: 1935-09-05
•
Granted: 1936-04-07
•
Expires: 1955-09-05
Abstract
No abstract record available.
Inventors
- 👤 Meyrowitz Emanuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:16
CPC Classifications
F; F24; F24H; F24H3/00; F24H3/02; F24H3/04; F24H3/0405; F24H3/0411; F24H3/0417
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1939-04-07 | 1939-10-07 | 1940-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-04-07 | 1943-10-07 | 1944-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-04-07 | 1947-10-07 | 1948-04-07 | $7700.00 | Window Closed / Lapsed |