US2090214A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compressed air power unit
Assignee: Individual
•
Filing: 1935-03-12
•
Granted: 1937-08-17
•
Expires: 1955-03-12
Abstract
No abstract record available.
Inventors
- 👤 Maniscalco Pietro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:31
CPC Classifications
F; F02; F02B; F02B63/00; F02B63/06; F04; F04B; F04B35/00; F04B35/002; F04B39/00; F04B39/06; F02B75/00; F02B75/02; F02B2075/022; F02B2075/025; F02B3/00; F02B3/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1940-08-16 | 1941-02-15 | 1941-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-08-16 | 1945-02-15 | 1945-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-08-16 | 1949-02-15 | 1949-08-17 | $7700.00 | Window Closed / Lapsed |