Patent US3488573A successfully refreshed from Google Patents.
US3488573A
Expired / Lapsed
US
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Overload protection for thermally sensitive load device
Assignee: Weston Instruments Inc
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Filing: 1967-02-27
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Granted: 1970-01-06
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Expires: 1987-02-27
Abstract
No abstract record available.
Inventors
- 👤 George A Cavigelli
- 👤 John G Nordahl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:27
CPC Classifications
H; H02; H02H; H02H5/00; H02H5/04; H02H5/046; H02H7/00; H10; H10N; H10N10/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2079485A
Cited
US2584800A
Cited
US3153152A
Cited
SU149629A1
Cited
US3223937A
Cited
US3361967A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-05 | 1973-07-07 | 1974-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-05 | 1977-07-07 | 1978-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-05 | 1981-07-07 | 1982-01-06 | $7700.00 | Window Closed / Lapsed |