US2722111A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus to promote controlled freezing
Assignee: Individual
•
Filing: 1953-03-03
•
Granted: 1955-11-01
•
Expires: 1973-03-03
Abstract
No abstract record available.
Inventors
- 👤 Lloyd G Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:15
CPC Classifications
A; A23; A23B; A23B2/00; A23B2/80; A23B2/805; A23B2/8055; F; F25; F25D; F25D25/00; F25D25/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1422126A
Cited
US1824359A
Cited
US2011244A
Cited
US2109102A
Cited
US2260450A
Cited
US2633006A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-31 | 1959-05-02 | 1959-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-31 | 1963-05-02 | 1963-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-31 | 1967-05-02 | 1967-11-01 | $7700.00 | Window Closed / Lapsed |