Patent US2679732A successfully refreshed from Google Patents.
US2679732A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Small electric refrigerating machine
Assignee: Individual
•
Filing: 1951-01-12
•
Granted: 1954-06-01
•
Expires: 1971-01-12
Abstract
No abstract record available.
Inventors
- 👤 Dolz Heinrich Otto Herrmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:13
CPC Classifications
F; F25; F25B; F25B1/00; F25B1/02; F04; F04B; F04B35/00; F04B35/04; F04B35/045; F25B2400/00; F25B2400/07; F25B2400/073; F25B2400/074; F25B2400/075
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1493259A
Cited
US1653885A
Cited
US1780335A
Cited
US2061869A
Cited
US1844772A
Cited
US1934994A
Cited
US2194535A
Cited
US2257862A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-31 | 1957-11-30 | 1958-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-31 | 1961-11-30 | 1962-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-31 | 1965-11-30 | 1966-06-01 | $7700.00 | Window Closed / Lapsed |