Patent US1584032A successfully refreshed from Google Patents.
US1584032A
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Automatic low-pressure control apparatus for compressors
Assignee: Chicago Pneumatic Tool Co LLC
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Filing: 1924-06-02
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Granted: 1926-05-11
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Expires: 1944-06-02
Abstract
No abstract record available.
Inventors
- 👤 Leon F Hoffman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:50
CPC Classifications
F; F04; F04B; F04B49/00; F04B49/22; F04B49/24; F04B49/243; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2544; Y10T137/7722; Y10T137/7781; Y10T137/7832
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) | 1929-05-10 | 1929-11-09 | 1930-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-05-10 | 1933-11-09 | 1934-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-05-10 | 1937-11-09 | 1938-05-11 | $7700.00 | Window Closed / Lapsed |