US2517367A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas compressor
Assignee: WINKLER MARGENTHALER Inc
•
Filing: 1946-09-24
•
Granted: 1950-08-01
•
Expires: 1966-09-24
Abstract
No abstract record available.
Inventors
- 👤 Winkler Alma Stamberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:27
CPC Classifications
F; F04; F04B; F04B39/00; F04B39/0005; F04B27/00; F04B27/04; F04B27/053; F04B35/00; F04B35/04; F04B39/02; F04B39/0207; F04B39/10; F04B39/102; F04B39/1033; F25; F25B; F25B31/00; F25B31/02; Y; Y10; Y10S; Y10S417/00; Y10S417/902
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-31 | 1954-01-30 | 1954-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-31 | 1958-01-30 | 1958-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-31 | 1962-01-30 | 1962-08-01 | $7700.00 | Window Closed / Lapsed |