Patent CA495929A successfully refreshed from Google Patents.
Patent US2847023A successfully refreshed from Google Patents.
US2847023A
Expired / Lapsed
US
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Means to prevent operation of a truck while a tank thereon is in fluid communication with another tank
Assignee: EQUIPMENT Manufacturing Co Inc
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Filing: 1955-08-03
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Granted: 1958-08-12
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Expires: 1975-08-03
Abstract
No abstract record available.
Inventors
- 👤 Donald J Hansen
- 👤 Fred A Tann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:29
CPC Classifications
B; B67; B67D; B67D7/00; B67D7/06; B67D7/32; B60; B60P; B60P3/00; B60P3/22; B60P3/224; B60T; B60T11/00; B60T11/10; B60T11/103; F; F16; F16K; F16K35/00; F16K35/14; Y; Y10; Y10T; Y10T137/00; Y10T137/4673; Y10T137/4857; Y10T137/4874; Y10T137/6851; Y10T137/6855; Y10T137/6881; Y10T137/8593; Y10T137/86292; Y10T137/863; Y10T137/86308
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US113786A
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US1343072A
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US1801749A
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US1884673A
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US1738701A
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US2002757A
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US2211699A
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US2707577A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-11 | 1962-02-10 | 1962-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-11 | 1966-02-10 | 1966-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-11 | 1970-02-10 | 1970-08-12 | $7700.00 | Window Closed / Lapsed |