Patent US2573166A successfully refreshed from Google Patents.
US2573166A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air chuck
Assignee: —
•
Filing: —
•
Granted: 1951-10-30
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Expires: 1968-10-30
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:51
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/20; B23B31/201; B23B31/207; B23B31/204; B23B31/24; B23B31/26; B23B31/261; B23B31/265; B23B31/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US442230A
Cited
US487245A
Cited
GB391295A
Cited
US2159162A
Cited
US2383094A
Cited
US2454098A
Cited
US2466651A
Cited
US2418082A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-29 | 1955-04-30 | 1955-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-29 | 1959-04-30 | 1959-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-29 | 1963-04-30 | 1963-10-30 | $7700.00 | Window Closed / Lapsed |