Patent US2515110A successfully refreshed from Google Patents.
US2515110A
Expired / Lapsed
US
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Electromagnetically operating refrigeration compressor
Assignee: Individual
•
Filing: 1949-05-24
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Granted: 1950-07-11
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Expires: 1969-05-24
Abstract
No abstract record available.
Inventors
- 👤 Alfred B Bornstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:49
CPC Classifications
F; F04; F04B; F04B5/00; F04B5/02; F04B35/00; F04B35/04; F04B35/045; F04B39/00; F04B39/10; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7879; Y10T137/788; Y10T137/7882
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-10 | 1954-01-09 | 1954-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-10 | 1958-01-09 | 1958-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-10 | 1962-01-09 | 1962-07-11 | $7700.00 | Window Closed / Lapsed |