US1529440A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve for compressors
Assignee: LEINERT VALVE Co
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Filing: 1923-09-24
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Granted: 1925-03-10
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Expires: 1943-09-24
Abstract
No abstract record available.
Inventors
- 👤 Charles H Leinert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:46
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/02; F16K15/08; F16K15/12; F16K17/00; F16K17/02; F16K17/04; F16K17/0413; F16K2200/00; F16K2200/30; F16K2200/305; F16K2200/3052; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7859; Y10T137/7861; Y10T137/7862; Y10T137/7863; Y10T137/7864; Y10T137/7904; Y10T137/7922
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) | 1928-03-09 | 1928-09-08 | 1929-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-03-09 | 1932-09-08 | 1933-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-03-09 | 1936-09-08 | 1937-03-10 | $7700.00 | Window Closed / Lapsed |