US3045447A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary device, such as refrigerating machine or similar device
Assignee: Svenska Rotor Maskiner AB
•
Filing: 1959-02-25
•
Granted: 1962-07-24
•
Expires: 1979-02-25
Abstract
No abstract record available.
Inventors
- 👤 Wagenius Hans Borje
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:00
CPC Classifications
F; F01; F01C; F01C1/00; F01C1/08; F01C1/12; F01C1/14; F01C1/16; F01C20/00; F01C20/10; F01C20/12; F01C21/00; F01C21/18; F01C21/186; F25; F25B; F25B9/00; F25B9/06; F25B2400/00; F25B2400/14; F25B2400/141
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US996169A
Cited
US678570A
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US2425000A
Cited
US2477004A
Cited
US2585570A
Cited
US2656972A
Cited
US2808813A
Cited
US2896903A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-23 | 1966-01-22 | 1966-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-23 | 1970-01-22 | 1970-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-23 | 1974-01-22 | 1974-07-24 | $7700.00 | Window Closed / Lapsed |