US2674179A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid injecting apparatus
Assignee: Allbright Nell Co
•
Filing: 1951-06-23
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Granted: 1954-04-06
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Expires: 1971-06-23
Abstract
No abstract record available.
Inventors
- 👤 Bertie S Harrington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:39
CPC Classifications
A; A23; A23B; A23B4/00; A23B4/26; A23B4/28; A23B4/285
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US194569A
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US1494174A
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DE502486C
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US2503147A
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US2520719A
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US2466772A
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US2587024A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-05 | 1957-10-05 | 1958-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-05 | 1961-10-05 | 1962-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-05 | 1965-10-05 | 1966-04-06 | $7700.00 | Window Closed / Lapsed |