Patent US3440933A successfully refreshed from Google Patents.
US3440933A
Expired / Lapsed
US
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Adjustable stroke control device
Assignee: Hammond Machinery Builders Inc
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Filing: 1966-12-02
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Granted: 1969-04-29
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Expires: 1986-12-02
Abstract
No abstract record available.
Inventors
- 👤 Donald E Sutton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:41
CPC Classifications
B; B23; B23H; B23H7/00; B23H7/26; F; F16; F16H; F16H21/00; F16H21/10; F16H21/44; G; G05; G05G; G05G7/00; G05G7/12; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18888; Y10T74/1892; Y10T74/18936
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US131135A
Cited
US2328721A
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US2954754A
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US2986040A
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US3334548A
Cited
US3255861A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-28 | 1972-10-28 | 1973-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-28 | 1976-10-28 | 1977-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-28 | 1980-10-28 | 1981-04-29 | $7700.00 | Window Closed / Lapsed |