US2616622A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Patxent iof ioffti-ce
Assignee: —
•
Filing: —
•
Granted: 1952-11-04
•
Expires: 1969-11-04
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:02
CPC Classifications
G; G07; G07B; G07B13/00; G07B13/02; G07B13/04; G07B13/045
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1112273A
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US1269309A
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US1464882A
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Cited
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Cited
US1899043A
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US1947937A
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US2121317A
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US2080261A
Cited
US2251989A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-04 | 1956-05-05 | 1956-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-04 | 1960-05-05 | 1960-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-04 | 1964-05-05 | 1964-11-04 | $7700.00 | Window Closed / Lapsed |