US3539875A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hardware envelope with semiconductor mounting arrangements
Assignee: US Philips Corp
•
Filing: 1968-09-25
•
Granted: 1970-11-10
•
Expires: 1988-09-25
Abstract
No abstract record available.
Inventors
- 👤 Victor Fong
- 👤 Bradford K Harrington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:52
CPC Classifications
H; H10; H10W; H10W40/00; H10W40/60; H10W40/611; H10W40/20; H10W40/231; H10W40/235
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3283224A
Cited
US3419763A
Cited
CA747578A
Cited
US3187240A
Cited
US3303265A
Cited
GB1029322A
Cited
US3231797A
Cited
US3367025A
Cited
FR1432457A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-09 | 1974-05-11 | 1974-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-09 | 1978-05-11 | 1978-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-09 | 1982-05-11 | 1982-11-10 | $7700.00 | Window Closed / Lapsed |