US3282222A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotating vane machines
Assignee: TDK Micronas GmbH
•
Filing: 1964-10-13
•
Granted: 1966-11-01
•
Expires: 1984-10-13
Abstract
No abstract record available.
Inventors
- 👤 Raufeisen Robert
- 👤 Schwartz Marvin Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:01
CPC Classifications
F; F04; F04C; F04C15/00; F04C15/0057; F04C15/0076; F01; F01C; F01C21/00; F01C21/008; F01C21/08; F01C21/0809; F01C21/10; F01C21/102; F01C21/104; F01C21/108; F04C23/00; F04C23/02; F04C18/00; F04C18/30; F04C18/34; F04C18/344; F04C2/00; F04C2/30; F04C2/34; F04C2/344
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US940246A
Cited
US1082183A
Cited
GB412809A
Cited
US2253597A
Cited
US2666395A
Cited
US2622529A
Cited
US3183843A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |