US2503686A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aggregate drier
Assignee: OVERMANDER MACHINE Inc
•
Filing: 1946-06-05
•
Granted: 1950-04-11
•
Expires: 1966-06-05
Abstract
No abstract record available.
Inventors
- 👤 Kenneth A Raypholtz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:27
CPC Classifications
F; F26; F26B; F26B11/00; F26B11/02; F26B11/04; F26B11/044
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1830474A
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US1882421A
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US1973002A
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US1937094A
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US2049734A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-04-10 | 1953-10-10 | 1954-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-10 | 1957-10-10 | 1958-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-10 | 1961-10-10 | 1962-04-11 | $7700.00 | Window Closed / Lapsed |