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US2931446A
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Assignee: Gar Wood Industries Inc
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Filing: 1956-11-28
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Granted: 1960-04-05
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Expires: 1976-11-28
Abstract
No abstract record available.
Inventors
- 👤 Jr Joseph M Gwinn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:48
CPC Classifications
E; E02; E02F; E02F5/00; E02F5/30; E02F5/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1026397A
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US1225853A
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US2199674A
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US2557443A
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US2674169A
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US2797629A
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US2769625A
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US2828968A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-05 | 1963-10-05 | 1964-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-05 | 1967-10-05 | 1968-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-05 | 1971-10-05 | 1972-04-05 | $7700.00 | Window Closed / Lapsed |