US2993153A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seal
Assignee: Westinghouse Electric Corp
•
Filing: 1958-09-25
•
Granted: 1961-07-18
•
Expires: 1978-09-25
Abstract
No abstract record available.
Inventors
- 👤 Howard A Wagner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:26
CPC Classifications
H; H10; H10W; H10W72/00; H10W72/30; H10W76/00; H10W76/10; H10W76/12; H10W76/13; H10W76/136; H10W74/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2837703A
Cited
US2836878A
Cited
US2813326A
Cited
US2825014A
Cited
US2790940A
Cited
US2806187A
Cited
US2863105A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-17 | 1965-01-16 | 1965-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-17 | 1969-01-16 | 1969-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-17 | 1973-01-16 | 1973-07-18 | $7700.00 | Window Closed / Lapsed |