US3372862A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifugal compressor
Assignee: IMO Industries Inc
•
Filing: 1965-10-22
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Granted: 1968-03-12
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Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 Iii Carl F Koenig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:12
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/40; F04D29/42; F04D29/44; F04D29/46; F04D29/462; F05; F05D; F05D2250/00; F05D2250/50; F05D2250/52; Y; Y10; Y10S; Y10S415/00; Y10S415/914
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB302953A
Cited
US1771711A
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FR721384A
Cited
US2189252A
Cited
US2382913A
Cited
GB762406A
Cited
US2985427A
Cited
GB861630A
Cited
US3014430A
Cited
US3237565A
Cited
US3268155A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-12 | 1971-09-11 | 1972-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-12 | 1975-09-11 | 1976-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-12 | 1979-09-11 | 1980-03-12 | $7700.00 | Window Closed / Lapsed |