US2499613A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic pulse time interval discriminator with maximum interval gate
Assignee: Stewart Warner Corp
•
Filing: 1946-05-16
•
Granted: 1950-03-07
•
Expires: 1966-05-16
Abstract
No abstract record available.
Inventors
- 👤 Norman F Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:35
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/37
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2141343A
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US2199634A
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GB528192A
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US2217957A
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US2288554A
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US2329137A
Cited
US2412994A
Cited
US2415359A
Cited
US2405855A
Cited
US2446802A
Cited
US2415093A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-06 | 1953-09-05 | 1954-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-06 | 1957-09-05 | 1958-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-06 | 1961-09-05 | 1962-03-07 | $7700.00 | Window Closed / Lapsed |