US2442389A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for improving manual control
Assignee: Individual
•
Filing: 1943-03-10
•
Granted: 1948-06-01
•
Expires: 1963-03-10
Abstract
No abstract record available.
Inventors
- 👤 Herbert K Weiss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:56
CPC Classifications
G; G05; G05G; G05G19/00; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19535
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE287521C
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US710045A
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US1464208A
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US1582702A
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US2159181A
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US2071424A
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US2176102A
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GB489271A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-06-01 | 1951-12-01 | 1952-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-01 | 1955-12-01 | 1956-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-01 | 1959-12-01 | 1960-06-01 | $7700.00 | Window Closed / Lapsed |