US3393328A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermal coupling elements
Assignee: Texas Instruments Inc
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Filing: 1964-09-04
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Granted: 1968-07-16
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Expires: 1984-09-04
Abstract
No abstract record available.
Inventors
- 👤 Robert A Meadows
- 👤 Jr Walter T Matzen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:11
CPC Classifications
H; H10; H10W; H10W40/00; H03; H03K; H03K3/00; H03K3/02; H03K3/26; H10D; H10D89/00; H10D89/10; H10D89/105
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-16 | 1972-01-15 | 1972-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-16 | 1976-01-15 | 1976-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-16 | 1980-01-15 | 1980-07-16 | $7700.00 | Window Closed / Lapsed |