US2332882A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat exchanger system
Assignee: General Electric Co
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Filing: 1942-02-05
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Granted: 1943-10-26
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Expires: 1962-02-05
Abstract
No abstract record available.
Inventors
- 👤 Anthony A Abbatiello
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:38
CPC Classifications
F; F28; F28D; F28D7/00; F28D7/16; F28D7/163; F28D7/1638; F28D7/1646; Y; Y10; Y10T; Y10T137/00; Y10T137/6416; Y10T137/6579; Y10T137/7287; Y10T137/8593; Y10T137/86493; Y10T137/86718; Y10T137/86726; Y10T137/86863; Y10T137/86871; Y10T137/877; Y10T137/87909
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) | 1946-10-25 | 1947-04-26 | 1947-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-10-25 | 1951-04-26 | 1951-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-10-25 | 1955-04-26 | 1955-10-26 | $7700.00 | Window Closed / Lapsed |