Patent US3049894A successfully refreshed from Google Patents.
US3049894A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigerating apparatus
Assignee: Motors Liquidation Co
•
Filing: 1960-03-23
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Granted: 1962-08-21
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Expires: 1980-03-23
Abstract
No abstract record available.
Inventors
- 👤 Joseph R Pichler
- 👤 Harvey R Tuck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 00:44
CPC Classifications
F; F25; F25C; F25C1/00; F25C1/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US706511A
Cited
US1936575A
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US2682155A
Cited
US2784563A
Cited
US2826045A
Cited
US2834189A
Cited
US2869060A
Cited
US2952988A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-20 | 1966-02-19 | 1966-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-20 | 1970-02-19 | 1970-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-20 | 1974-02-19 | 1974-08-21 | $7700.00 | Window Closed / Lapsed |