US1709896A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigeration and other apparatus including fluid compressors and the like
Assignee: Carrier Engineering Corp
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Filing: 1924-10-13
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Granted: 1929-04-23
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Expires: 1944-10-13
Abstract
No abstract record available.
Inventors
- 👤 Willis H Carrier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:13
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/06; F04D29/063; F16; F16J; F16J15/00; F16J15/16; F16J15/40; F25; F25B; F25B43/00; F25B43/02; Y; Y10; Y10S; Y10S277/00; Y10S277/918
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) | 1932-04-22 | 1932-10-22 | 1933-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-04-22 | 1936-10-22 | 1937-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-04-22 | 1940-10-22 | 1941-04-23 | $7700.00 | Window Closed / Lapsed |