US2869053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transistor unit
Assignee: Motorola Solutions Inc
•
Filing: 1953-05-22
•
Granted: 1959-01-13
•
Expires: 1973-05-22
Abstract
No abstract record available.
Inventors
- 👤 William A Schaper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:54
CPC Classifications
H; H10; H10W; H10W76/00; H10W76/60; H10D; H10D99/00; H10W72/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1571907A
Cited
US2365698A
Cited
US2584461A
Cited
US2675509A
Cited
US2660696A
Cited
US2803791A
Cited
US2696575A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-12 | 1962-07-14 | 1963-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-12 | 1966-07-14 | 1967-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-12 | 1970-07-14 | 1971-01-13 | $7700.00 | Window Closed / Lapsed |