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US2419924A
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Assignee: W H MARTIN
•
Filing: 1944-11-01
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Granted: 1947-04-29
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Expires: 1964-11-01
Abstract
No abstract record available.
Inventors
- 👤 Wahle Adolph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:47
CPC Classifications
F; F04; F04D; F04D1/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US566179A
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US1042227A
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US1087675A
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US1213889A
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US1386787A
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US1893616A
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US1861839A
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US2015200A
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US2113116A
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GB843638A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-04-28 | 1950-10-28 | 1951-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-04-28 | 1954-10-28 | 1955-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-04-28 | 1958-10-28 | 1959-04-29 | $7700.00 | Window Closed / Lapsed |