US2150347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compressor
Assignee: Individual
•
Filing: 1937-01-18
•
Granted: 1939-03-14
•
Expires: 1957-01-18
Abstract
No abstract record available.
Inventors
- 👤 Clarence S Sorensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:18
CPC Classifications
F; F04; F04B; F04B27/00; F04B27/04; F04B27/067; F04B27/0676; F04B27/0404; F04B27/0428; F04B27/0451; F04B27/0465; F04B27/06; F04B27/0606; F04B27/0612; F04B27/0619; F04B35/00; Y; Y10; Y10S; Y10S417/00; Y10S417/902
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) | 1942-03-13 | 1942-09-12 | 1943-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-03-13 | 1946-09-12 | 1947-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-03-13 | 1950-09-12 | 1951-03-14 | $7700.00 | Window Closed / Lapsed |