Patent US1656728A successfully refreshed from Google Patents.
US1656728A
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US
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Construction for compressors and the like
Assignee: Safety Car Heating and Lighting Co
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Filing: 1924-01-25
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Granted: 1928-01-17
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Expires: 1944-01-25
Abstract
No abstract record available.
Inventors
- 👤 Lony Knud De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:37
CPC Classifications
F; F04; F04C; F04C29/00; F04C29/12; F04C18/00; F04C18/08; F04C18/10
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) | 1931-01-16 | 1931-07-18 | 1932-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-01-16 | 1935-07-18 | 1936-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-01-16 | 1939-07-18 | 1940-01-17 | $7700.00 | Window Closed / Lapsed |