US3191853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary compressor
Assignee: Studebaker Worthington Inc
•
Filing: 1964-11-16
•
Granted: 1965-06-29
•
Expires: 1984-11-16
Abstract
No abstract record available.
Inventors
- 👤 Henry H Kroeger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:55
CPC Classifications
F; F01; F01C; F01C1/00; F01C1/30; F01C1/34; F04; F04C; F04C18/00; F04C18/30; F04C18/34; F04C18/344; F04C18/3446
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-28 | 1968-12-28 | 1969-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-28 | 1972-12-28 | 1973-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-28 | 1976-12-28 | 1977-06-29 | $7700.00 | Window Closed / Lapsed |