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US2777553A
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Assignee: STEWART PRODUCTS Corp
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Filing: 1948-12-14
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Granted: 1957-01-15
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Expires: 1968-12-14
Abstract
No abstract record available.
Inventors
- 👤 Lincoln M Keefe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:49
CPC Classifications
G; G07; G07F; G07F5/00; G07F5/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE135907C
Cited
US2288870A
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US1099661A
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US1063590A
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GB459852A
Cited
US2289002A
Cited
US2526749A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-15 | 1960-07-16 | 1961-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-15 | 1964-07-16 | 1965-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-15 | 1968-07-16 | 1969-01-15 | $7700.00 | Window Closed / Lapsed |