Patent US3370647A successfully refreshed from Google Patents.
US3370647A
Expired / Lapsed
US
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Condenser
Assignee: IMO Industries Inc
•
Filing: 1966-02-08
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Granted: 1968-02-27
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Expires: 1986-02-08
Abstract
No abstract record available.
Inventors
- 👤 Paul J Hamm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:23
CPC Classifications
F; F28; F28F; F28F27/00; F28B; F28B1/00; F28B1/02; F28B9/00; F28B9/04; F28G; F28G9/00; Y; Y10; Y10S; Y10S165/00; Y10S165/092; Y10S165/10; Y10T; Y10T137/00; Y10T137/5544
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-26 | 1971-08-28 | 1972-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-26 | 1975-08-28 | 1976-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-26 | 1979-08-28 | 1980-02-27 | $7700.00 | Window Closed / Lapsed |