US1614124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas-compressor valve
Assignee: Ingersoll Rand Co
•
Filing: 1926-08-07
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Granted: 1927-01-11
•
Expires: 1946-08-07
Abstract
No abstract record available.
Inventors
- 👤 Charles C Hansen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:05
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/14; F16K15/16; F16K15/1402; F16K15/161; F16K15/162; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/7839; Y10T137/784
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) | 1930-01-10 | 1930-07-12 | 1931-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-01-10 | 1934-07-12 | 1935-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-01-10 | 1938-07-12 | 1939-01-11 | $7700.00 | Window Closed / Lapsed |