US2603530A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: DAVID K JONES
•
Filing: 1949-12-05
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Granted: 1952-07-15
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Expires: 1969-12-05
Abstract
No abstract record available.
Inventors
- 👤 David O Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:18
CPC Classifications
B; B60; B60J; B60J3/00; B60J3/02; B60J3/0204; B60J3/0208
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1932143A
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US2048105A
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US2185898A
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US2212007A
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US2389298A
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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) | 1955-07-15 | 1956-01-14 | 1956-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-15 | 1960-01-14 | 1960-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-15 | 1964-01-14 | 1964-07-15 | $7700.00 | Window Closed / Lapsed |