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US2797271A
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Assignee: AUGUSTINE DAVIDSON LOCK CORP
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Filing: 1954-03-29
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Granted: 1957-06-25
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Expires: 1974-03-29
Abstract
No abstract record available.
Inventors
- 👤 Arthur L Augustine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:12
CPC Classifications
G; G07; G07C; G07C9/00; G07C9/00174; G07C9/00658; G07C9/00666; H; H01; H01H; H01H27/00; H01H27/10; Y; Y10; Y10T; Y10T70/00; Y10T70/70; Y10T70/7153; Y10T70/7181; Y10T70/7198; Y10T70/7237; Y10T70/7243
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US345270A
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US669295A
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US1118024A
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US1148750A
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US1563239A
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US1515764A
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US2023894A
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US2010570A
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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) | 1960-06-24 | 1960-12-24 | 1961-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-24 | 1964-12-24 | 1965-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-24 | 1968-12-24 | 1969-06-25 | $7700.00 | Window Closed / Lapsed |