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Patent US2806686A successfully refreshed from Google Patents.
US2806686A
Expired / Lapsed
US
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Weighing device for airplanes
Assignee: Individual
•
Filing: 1954-11-03
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Granted: 1957-09-17
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Expires: 1974-11-03
Abstract
No abstract record available.
Inventors
- 👤 Jr Andrew R Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:43
CPC Classifications
G; G01; G01G; G01G19/00; G01G19/02; G01G19/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US944335A
Cited
US949435A
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FR28220E
Cited
US2443045A
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US2453607A
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US2488349A
Cited
US2670195A
Cited
US2477854A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-16 | 1961-03-18 | 1961-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-16 | 1965-03-18 | 1965-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-16 | 1969-03-18 | 1969-09-17 | $7700.00 | Window Closed / Lapsed |