US3482146A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Overload and heat protective apparatus for three-phase motors
Assignee: Texas Instruments Inc
•
Filing: 1966-12-28
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Granted: 1969-12-02
•
Expires: 1986-12-28
Abstract
No abstract record available.
Inventors
- 👤 Joseph L Mcmorrow
- 👤 James E Shockroo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:18
CPC Classifications
H; H01; H01H; H01H61/00; H01H61/01; H01H61/013; H02; H02H; H02H5/00; H02H5/04; H02H5/047; H02H5/048
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE556810C
Cited
US2446474A
Cited
US2553949A
Cited
US3064161A
Cited
US3141996A
Cited
US3302061A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-01 | 1973-06-02 | 1973-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-01 | 1977-06-02 | 1977-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-01 | 1981-06-02 | 1981-12-02 | $7700.00 | Window Closed / Lapsed |