US2763432A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device
Assignee: —
•
Filing: —
•
Granted: 1956-09-18
•
Expires: 1973-09-18
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:18
CPC Classifications
H; H03; H03K; H03K21/00; H03K21/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2538122A
Cited
US2521787A
Cited
US2521788A
Cited
US2610793A
Cited
US2540442A
Cited
US2547511A
Cited
US2630969A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-18 | 1960-03-19 | 1960-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-18 | 1964-03-19 | 1964-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-18 | 1968-03-19 | 1968-09-18 | $7700.00 | Window Closed / Lapsed |