US2949016A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Defrosting control means for refrigeration apparatus
Assignee: Individual
•
Filing: 1955-01-05
•
Granted: 1960-08-16
•
Expires: 1975-01-05
Abstract
No abstract record available.
Inventors
- 👤 Robert H Thorner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:47
CPC Classifications
F; F25; F25D; F25D21/00; F25D21/002; F25D2700/00; F25D2700/02; F25D2700/12; F25D2700/122; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1558; Y10T74/1565; Y10T74/1566; Y10T74/1568; Y10T74/1573
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USRE18263E
Cited
US1759945A
Cited
US1999930A
Cited
US1999191A
Cited
US2069782A
Cited
US2085868A
Cited
US2174776A
Cited
US2324309A
Cited
US2500298A
Cited
US2595967A
Cited
US2709341A
Cited
US2687620A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-16 | 1964-02-15 | 1964-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-16 | 1968-02-15 | 1968-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-16 | 1972-02-15 | 1972-08-16 | $7700.00 | Window Closed / Lapsed |