US2665489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjusting device
Assignee: HELEN M CUNNINGHAM
•
Filing: 1949-10-22
•
Granted: 1954-01-12
•
Expires: 1969-10-22
Abstract
No abstract record available.
Inventors
- 👤 Hal M Cunningham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:03
CPC Classifications
G; G05; G05G; G05G23/00; G05G2700/00; G05G2700/02; Y; Y10; Y10T; Y10T403/00; Y10T403/29; Y10T403/291
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US778889A
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US803565A
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FR465297A
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US1161406A
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US1394691A
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GB197217A
Cited
US1681565A
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US1901286A
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US2278320A
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US2352585A
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US2485280A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-11 | 1957-07-13 | 1958-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-11 | 1961-07-13 | 1962-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-11 | 1965-07-13 | 1966-01-12 | $7700.00 | Window Closed / Lapsed |