Patent DE373811C successfully refreshed from Google Patents.
US2537077A
Expired / Lapsed
US
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Double pulse generator
Assignee: Individual
•
Filing: 1942-06-19
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Granted: 1951-01-09
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Expires: 1962-06-19
Abstract
No abstract record available.
Inventors
- 👤 Millard S Mcvay
- 👤 John H Greig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:15
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/04; H03K3/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
GB355705A
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US2145332A
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US2185635A
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US2154484A
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US2226706A
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US2265996A
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US2230429A
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US2230926A
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US2452549A
Cited
US2471413A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-08 | 1954-07-10 | 1955-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-08 | 1958-07-10 | 1959-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-08 | 1962-07-10 | 1963-01-09 | $7700.00 | Window Closed / Lapsed |