US3015940A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigerative compression system driven by fluid energy of an absorption system
Assignee: Individual
•
Filing: 1954-07-26
•
Granted: 1962-01-09
•
Expires: 1974-07-26
Abstract
No abstract record available.
Inventors
- 👤 Harwich Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:41
CPC Classifications
F; F25; F25B; F25B25/00; F25B25/02; F25B27/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1788114A
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US2344245A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-08 | 1965-07-10 | 1966-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-08 | 1969-07-10 | 1970-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-08 | 1973-07-10 | 1974-01-09 | $7700.00 | Window Closed / Lapsed |