US3487275A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective element for hermetically enclosed semiconductor devices
Assignee: Texas Instruments Inc
•
Filing: 1969-03-05
•
Granted: 1969-12-30
•
Expires: 1989-03-05
Abstract
No abstract record available.
Inventors
- 👤 William P Perrin
- 👤 Joe Gentle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:04
CPC Classifications
H; H10; H10W; H10W76/00; H10W76/40; H10W76/42; H10W76/48; H10W40/00; H10W40/70; H10W76/10; H10W76/12; H10W76/13; H10W76/132; H10W90/00; H10W90/701; H10W90/751; H10W90/753; H10W90/754; Y; Y10; Y10S; Y10S228/00; Y10S228/903; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1972-12-29 | 1973-06-30 | 1973-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-29 | 1977-06-30 | 1977-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-29 | 1981-06-30 | 1981-12-30 | $7700.00 | Window Closed / Lapsed |