US2578076A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: HARRISON YOUNG Inc W
•
Filing: 1945-05-08
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Granted: 1951-12-11
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Expires: 1965-05-08
Abstract
No abstract record available.
Inventors
- 👤 Kirby Kathryn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:31
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/02; F16K15/03; Y; Y10; Y10T; Y10T137/00; Y10T137/7504; Y10T137/7722; Y10T137/7837; Y10T137/7898; Y10T137/7902
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US277277A
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US290314A
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US483635A
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GB189520761A
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US709262A
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GB190611142A
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US911353A
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US955931A
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US1036378A
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US2272960A
Cited
US2285324A
Cited
US2446767A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-10 | 1955-06-11 | 1955-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-10 | 1959-06-11 | 1959-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-10 | 1963-06-11 | 1963-12-11 | $7700.00 | Window Closed / Lapsed |