US2429696A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rack and pinion mechanism
Assignee: Airco Inc
•
Filing: 1944-10-26
•
Granted: 1947-10-28
•
Expires: 1964-10-26
Abstract
No abstract record available.
Inventors
- 👤 Joseph X Merkt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 04:04
CPC Classifications
B; B23; B23K; B23K5/00; B23K5/22; B23K5/24; F; F16; F16H; F16H55/00; F16H55/02; F16H55/26; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/1967
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US401512A
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US762096A
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US866278A
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US1359530A
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US1587092A
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US1786934A
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US1727984A
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US1780172A
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US2096953A
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US2270242A
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US2294848A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-10-27 | 1951-04-28 | 1951-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-10-27 | 1955-04-28 | 1955-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-10-27 | 1959-04-28 | 1959-10-28 | $7700.00 | Window Closed / Lapsed |