US2619274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid feeding apparatus
Assignee: AT&T Inc
•
Filing: 1950-01-27
•
Granted: 1952-11-25
•
Expires: 1970-01-27
Abstract
No abstract record available.
Inventors
- 👤 Albert E Geiger
- 👤 Onali Hugo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:09
CPC Classifications
B; B65; B65B; B65B3/00; B65B3/26; B65B3/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US304063A
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US1257012A
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US1425735A
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US1904924A
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US1871311A
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FR747383A
Cited
US2176449A
Cited
US2326296A
Cited
GB581656A
Cited
US2518064A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-25 | 1956-05-26 | 1956-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-25 | 1960-05-26 | 1960-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-25 | 1964-05-26 | 1964-11-25 | $7700.00 | Window Closed / Lapsed |