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US1328323A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiator-core
Assignee: Fedders Manufacturing Co Inc
•
Filing: 1916-04-05
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Granted: 1920-01-20
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Expires: 1936-04-05
Abstract
No abstract record available.
Inventors
- 👤 John M Fedders
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:08
CPC Classifications
F; F28; F28F; F28F3/00; Y; Y10; Y10S; Y10S165/00; Y10S165/454; Y10S165/459; Y10S165/46
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) | 1923-01-19 | 1923-07-21 | 1924-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-01-19 | 1927-07-21 | 1928-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-01-19 | 1931-07-21 | 1932-01-20 | $7700.00 | Window Closed / Lapsed |