Patent US2547029A successfully refreshed from Google Patents.
US2547029A
Expired / Lapsed
US
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Air cylinder for indexing ratchet stops and the like
Assignee: Individual
•
Filing: 1947-02-05
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Granted: 1951-04-03
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Expires: 1967-02-05
Abstract
No abstract record available.
Inventors
- 👤 Arthur M Loungway
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:44
CPC Classifications
F; F15; F15B; F15B15/00; F15B15/08; F15B15/14; F15B15/1423; F15B15/1433; F15B13/00; F15B13/02; F15B13/04; F15B13/0401; F15B13/0405; F15B13/044; F15B15/149; F15B15/20; F15B15/202; F15B2013/041; Y; Y10; Y10T; Y10T82/00; Y10T82/25; Y10T82/2572; Y10T82/2574
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1324558A
Cited
US971207A
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US926142A
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US1051768A
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US1466399A
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US1903426A
Cited
US2232038A
Cited
US2433719A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-02 | 1954-10-02 | 1955-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-02 | 1958-10-02 | 1959-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-02 | 1962-10-02 | 1963-04-03 | $7700.00 | Window Closed / Lapsed |