US2528069A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Processing apparatus
Assignee: King Sales & Engineering Co
•
Filing: 1946-01-08
•
Granted: 1950-10-31
•
Expires: 1966-01-08
Abstract
No abstract record available.
Inventors
- 👤 Mcgihon Leonard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:51
CPC Classifications
A; A23; A23B; A23B2/00; A23B2/20; A23B2/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US503870A
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US660451A
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US1577219A
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US2124010A
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US2107890A
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US2112309A
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US2193353A
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US2415782A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-30 | 1954-05-01 | 1954-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-30 | 1958-05-01 | 1958-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-30 | 1962-05-01 | 1962-10-31 | $7700.00 | Window Closed / Lapsed |