Patent US2633360A successfully refreshed from Google Patents.
US2633360A
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Assignee: Individual
•
Filing: 1951-11-02
•
Granted: 1953-03-31
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Expires: 1971-11-02
Abstract
No abstract record available.
Inventors
- 👤 Charles F Fleigle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:39
CPC Classifications
F; F41; F41J; F41J3/00; F41J3/0009; F41J3/0014; F41J3/0019
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB344973A
Cited
GB508706A
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GB513490A
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US2201527A
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US2372111A
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US2501218A
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US2538118A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-30 | 1956-09-29 | 1957-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-30 | 1960-09-29 | 1961-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-30 | 1964-09-29 | 1965-03-31 | $7700.00 | Window Closed / Lapsed |