US1651235A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ammonia compressor
Assignee: Individual
•
Filing: 1925-03-16
•
Granted: 1927-11-29
•
Expires: 1945-03-16
Abstract
No abstract record available.
Inventors
- 👤 Earl B Terrill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:34
CPC Classifications
F; F04; F04B; F04B39/00; F04B39/10; F16; F16K; F16K17/00; F16K17/36; F16K2200/00; F16K2200/20; F16K2200/202; F16K2200/203; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/7839; Y10T137/7841; Y10T137/7859
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) | 1930-11-28 | 1931-05-30 | 1931-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-11-28 | 1935-05-30 | 1935-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-11-28 | 1939-05-30 | 1939-11-29 | $7700.00 | Window Closed / Lapsed |