US1741731A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compressor driven by internal-combustion engines
Assignee: Individual
•
Filing: 1926-08-16
•
Granted: 1929-12-31
•
Expires: 1946-08-16
Abstract
No abstract record available.
Inventors
- 👤 Nordensson Tom Knut Arfved
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:24
CPC Classifications
F; F02; F02B; F02B71/00; F02B71/04; F01; F01B; F01B11/00; F02B75/00; F02B75/02; F02B2075/022; F02B2075/025; Y; Y10; Y10S; Y10S60/00; Y10S60/91
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) | 1932-12-30 | 1933-07-01 | 1933-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-12-30 | 1937-07-01 | 1937-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-12-30 | 1941-07-01 | 1941-12-31 | $7700.00 | Window Closed / Lapsed |