Patent US2603785A successfully refreshed from Google Patents.
US2837620A
Expired / Lapsed
US
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Strain gauges and load weighing cells
Assignee: Revere Corp of America
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Filing: 1956-04-12
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Granted: 1958-06-03
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Expires: 1976-04-12
Abstract
No abstract record available.
Inventors
- 👤 Dennison H Macdonald
- 👤 Jr Thomas S Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:58
CPC Classifications
G; G01; G01L; G01L1/00; G01L1/20; G01L1/22; G01L1/2206; G01L1/2212
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1401477A
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US1975623A
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US2365015A
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US2493029A
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US2569499A
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US2729730A
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US2813958A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-02 | 1961-12-02 | 1962-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-02 | 1965-12-02 | 1966-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-02 | 1969-12-02 | 1970-06-03 | $7700.00 | Window Closed / Lapsed |