US2673025A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compressor unloading means
Assignee: Trane Co
•
Filing: 1949-11-14
•
Granted: 1954-03-23
•
Expires: 1969-11-14
Abstract
No abstract record available.
Inventors
- 👤 Otto A Labus
- 👤 Emil T Neubauer
- 👤 Robert G Miner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:49
CPC Classifications
F; F25; F25B; F25B49/00; F25B49/02; F25B49/022; F04; F04B; F04B49/00; F04B49/02; F04B49/03; F17; F17C; F17C9/00; F25B2400/00; F25B2400/07; F25B2400/074; F25B2600/00; F25B2600/02; F25B2600/026; F25B2600/0262; F25B2700/00; F25B2700/21; F25B2700/2117; F25B2700/21171; F25B2700/21173
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2028577A
Cited
GB461838A
Cited
US2274337A
Cited
US2304999A
Cited
US2387117A
Cited
US2329931A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-22 | 1957-09-21 | 1958-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-22 | 1961-09-21 | 1962-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-22 | 1965-09-21 | 1966-03-23 | $7700.00 | Window Closed / Lapsed |