US2590132A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotor cylinder rotary device
Assignee: SCOGNAMILLO ENGINEERING Co
•
Filing: 1949-04-15
•
Granted: 1952-03-25
•
Expires: 1969-04-15
Abstract
No abstract record available.
Inventors
- 👤 Scognamillo Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:30
CPC Classifications
F; F01; F01C; F01C21/00; F01C21/08; F01C21/0809; F01C21/0818; F01C21/0827; F01C21/0836
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US395647A
Cited
US930403A
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US1154645A
Cited
US1671399A
Cited
US2029554A
Cited
GB441339A
Cited
US2266191A
Cited
US2443994A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-25 | 1955-09-24 | 1956-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-25 | 1959-09-24 | 1960-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-25 | 1963-09-24 | 1964-03-25 | $7700.00 | Window Closed / Lapsed |