US2664557A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Weight deviation testing device
Assignee: Sargrove Electronics Ltd
•
Filing: 1952-06-20
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Granted: 1953-12-29
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Expires: 1972-06-20
Abstract
No abstract record available.
Inventors
- 👤 Sargrove John Adolph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:24
CPC Classifications
G; G07; G07C; G07C3/00; G07C3/14; B; B07; B07C; B07C5/00; B07C5/16; B07C5/32; Y; Y10; Y10S; Y10S177/00; Y10S177/03; Y10S82/00; Y10S82/903
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1983388A
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US2051018A
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US2343240A
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US2398987A
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US2477395A
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US2556374A
Cited
US2482610A
Cited
US2605332A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-28 | 1957-06-29 | 1957-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-28 | 1961-06-29 | 1961-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-28 | 1965-06-29 | 1965-12-29 | $7700.00 | Window Closed / Lapsed |