Patent US2364783A successfully refreshed from Google Patents.
US2364783A
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US
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Oil return arrangement
Assignee: Carrier Corp
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Filing: 1940-10-31
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Granted: 1944-12-12
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Expires: 1960-10-31
Abstract
No abstract record available.
Inventors
- 👤 Merrill B Goddard
- 👤 Richard C Oeler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:11
CPC Classifications
F; F25; F25B; F25B31/00; F25B31/002; F25B31/004; F25B41/00; F25B2341/00; F25B2341/001; F25B2341/0012
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) | 1947-12-12 | 1948-06-12 | 1948-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-12-12 | 1952-06-12 | 1952-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-12-12 | 1956-06-12 | 1956-12-12 | $7700.00 | Window Closed / Lapsed |