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US2492882A
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Assignee: LILLIAN W OLMSTED
•
Filing: 1946-03-18
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Granted: 1949-12-27
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Expires: 1966-03-18
Abstract
No abstract record available.
Inventors
- 👤 Wells Fargo Bank Union Trus Co
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:19
CPC Classifications
E; E04; E04H; E04H12/00; E04H12/22; E04H12/2253; E04H12/02; E04H12/08; G; G09; G09F; G09F15/00; G09F15/0006; G09F15/0037
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1018754A
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US1371727A
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US1470174A
Cited
US1472897A
Cited
FR577547A
Cited
FR668549A
Cited
US1799314A
Cited
US1991087A
Cited
FR739006A
Cited
FR782133A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-26 | 1953-06-27 | 1953-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-26 | 1957-06-27 | 1957-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-26 | 1961-06-27 | 1961-12-27 | $7700.00 | Window Closed / Lapsed |