Patent US2856892A successfully refreshed from Google Patents.
US2856892A
Expired / Lapsed
US
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Pan greasing machine
Assignee: Individual
•
Filing: 1956-03-27
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Granted: 1958-10-21
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Expires: 1976-03-27
Abstract
No abstract record available.
Inventors
- 👤 Winfree Robert Nelson
- 👤 Reed Henry Clay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:16
CPC Classifications
A; A21; A21B; A21B3/00; A21B3/16; C; C03; C03C; C03C4/00; C03C4/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1440624A
Cited
US1917767A
Cited
US2499621A
Cited
US2654911A
Cited
US2557479A
Cited
US2747539A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-20 | 1962-04-21 | 1962-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-20 | 1966-04-21 | 1966-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-20 | 1970-04-21 | 1970-10-21 | $7700.00 | Window Closed / Lapsed |