US2633820A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pan greaser
Assignee: Individual
•
Filing: 1950-06-01
•
Granted: 1953-04-07
•
Expires: 1970-06-01
Abstract
No abstract record available.
Inventors
- 👤 Koerber Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:38
CPC Classifications
A; A21; A21B; A21B3/00; A21B3/16; Y; Y10; Y10S; Y10S118/00; Y10S118/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1741155A
Cited
US1862380A
Cited
US1917767A
Cited
US2499621A
Cited
US2453527A
Cited
US2557479A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-06 | 1956-10-06 | 1957-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-06 | 1960-10-06 | 1961-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-06 | 1964-10-06 | 1965-04-07 | $7700.00 | Window Closed / Lapsed |