US1970105A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Condenser and method of making the same
Assignee: Fedders Manufacturing Co Inc
•
Filing: 1932-03-24
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Granted: 1934-08-14
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Expires: 1952-03-24
Abstract
No abstract record available.
Inventors
- 👤 Lawrence C Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:50
CPC Classifications
F; F28; F28F; F28F1/00; F28F1/10; F28F1/12; F28F1/126; F28B; F28B1/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49377; Y10T29/49378; Y10T29/49396; Y10T428/00; Y10T428/12; Y10T428/1241; Y10T428/12486; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12903; Y10T428/12986
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) | 1937-08-13 | 1938-02-12 | 1938-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-08-13 | 1942-02-12 | 1942-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-08-13 | 1946-02-12 | 1946-08-14 | $7700.00 | Window Closed / Lapsed |