US2744512A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Priming device
Assignee: Imperial Brass Manufacturing Co
•
Filing: 1952-09-11
•
Granted: 1956-05-08
•
Expires: 1972-09-11
Abstract
No abstract record available.
Inventors
- 👤 George E Franck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 00:42
CPC Classifications
F; F02; F02N; F02N99/00; F02N99/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1322674A
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US867122A
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GB191402252A
Cited
US1187977A
Cited
US1240404A
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US1468162A
Cited
US2364356A
Cited
US2601562A
Cited
US2590445A
Cited
US2681053A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-08 | 1959-11-07 | 1960-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-08 | 1963-11-07 | 1964-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-08 | 1967-11-07 | 1968-05-08 | $7700.00 | Window Closed / Lapsed |