US2333154A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigeration apparatus
Assignee: Frick Co Inc
•
Filing: 1939-10-10
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Granted: 1943-11-02
•
Expires: 1959-10-10
Abstract
No abstract record available.
Inventors
- 👤 Markus Louis De
- 👤 Jr Leon Buehler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:31
CPC Classifications
C; C12; C12C; C12C3/00; C12C11/00; C12C11/003; C12C13/00; C12H; C12H1/00; C12H1/02; C12H1/04
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) | 1946-11-01 | 1947-05-03 | 1947-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-11-01 | 1951-05-03 | 1951-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-11-01 | 1955-05-03 | 1955-11-02 | $7700.00 | Window Closed / Lapsed |