Patent US6416511B1 successfully refreshed from Google Patents.
US3419955A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor fabrication
Assignee: Telefunken Patentverwertungs GmbH
•
Filing: 1966-04-05
•
Granted: 1969-01-07
•
Expires: 1986-04-05
Abstract
No abstract record available.
Inventors
- 👤 Schutze Hans-Jurgen
- 👤 Hennings Klaus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:06
CPC Classifications
H; H10; H10W; H10W74/00; H10W74/01; H10W74/019; H10D; H10D62/00; H10D62/10; H10D62/117; H10P; H10P72/00; H10P72/70; H10P72/74; H10P95/00; Y; Y10; Y10S; Y10S148/00; Y10S148/085
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) | 1972-01-07 | 1972-07-08 | 1973-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-07 | 1976-07-08 | 1977-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-07 | 1980-07-08 | 1981-01-07 | $7700.00 | Window Closed / Lapsed |