US3004545A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tiltable heat exchanger
Assignee: Fairchild Stratos Corp
•
Filing: 1959-03-02
•
Granted: 1961-10-17
•
Expires: 1979-03-02
Abstract
No abstract record available.
Inventors
- 👤 Carleton A Siemer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:12
CPC Classifications
F; F28; F28F; F28F27/00; F28F27/02; F28D; F28D7/00; F28D7/08; F28D7/082; F28D7/085; F28F2280/00; F28F2280/10; Y; Y10; Y10T; Y10T137/00; Y10T137/0753; Y10T137/0874; Y10T137/6416
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US394034A
Cited
US705642A
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US1180482A
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US1272285A
Cited
US2461304A
Cited
US2845937A
Cited
US2774365A
Cited
US2793708A
Cited
US2874712A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-16 | 1965-04-17 | 1965-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-16 | 1969-04-17 | 1969-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-16 | 1973-04-17 | 1973-10-17 | $7700.00 | Window Closed / Lapsed |