Patent US2650025A successfully refreshed from Google Patents.
US2650025A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Handley
Assignee: —
•
Filing: —
•
Granted: 1953-08-25
•
Expires: 1970-08-25
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:14
CPC Classifications
G; G06; G06M; G06M1/00; G06M1/08; G07; G07B; G07B1/00; G07B1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2155655A
Cited
GB572103A
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GB510441A
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GB390193A
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US1486438A
Cited
GB610333A
Cited
US2324778A
Cited
US2345212A
Cited
US2479681A
Cited
US1082957A
Cited
US1280754A
Cited
US1273067A
Cited
US1896527A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-24 | 1957-02-23 | 1957-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-24 | 1961-02-23 | 1961-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-24 | 1965-02-23 | 1965-08-25 | $7700.00 | Window Closed / Lapsed |