US2835187A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air grill for refrigerating apparatus
Assignee: Motors Liquidation Co
•
Filing: 1953-12-02
•
Granted: 1958-05-20
•
Expires: 1973-12-02
Abstract
No abstract record available.
Inventors
- 👤 Carl M Schell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:06
CPC Classifications
F; F24; F24F; F24F13/00; F24F13/02; F24F13/06; F24F13/075; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24025; Y10T428/24149; Y10T428/24157
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1957040A
Cited
US1895731A
Cited
US2282572A
Cited
US2341499A
Cited
US2469955A
Cited
US2441819A
Cited
US2467309A
Cited
US2642792A
Cited
US2639519A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-19 | 1961-11-18 | 1962-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-19 | 1965-11-18 | 1966-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-19 | 1969-11-18 | 1970-05-20 | $7700.00 | Window Closed / Lapsed |