US2892102A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Frequency halver
Assignee: Westinghouse Electric Corp
•
Filing: 1956-06-22
•
Granted: 1959-06-23
•
Expires: 1976-06-22
Abstract
No abstract record available.
Inventors
- 👤 John F Reuther
- 👤 Sheldon D Silliman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:25
CPC Classifications
H; H03; H03K; H03K23/00; H03K23/002; H03K3/00; H03K3/02; H03K3/26; H03K3/28; H03K3/281; H03K3/286; H03K3/288
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2524691A
Cited
US2611085A
Cited
US2569345A
Cited
US2681996A
Cited
US2622212A
Cited
GB745483A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-22 | 1962-12-22 | 1963-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-22 | 1966-12-22 | 1967-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-22 | 1970-12-22 | 1971-06-23 | $7700.00 | Window Closed / Lapsed |