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US2980770A
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Assignee: Daven Co
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Filing: 1958-12-18
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Granted: 1961-04-18
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Expires: 1978-12-18
Abstract
No abstract record available.
Inventors
- 👤 Elmer J Nabstedt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:04
CPC Classifications
H; H01; H01H; H01H19/00; H01H19/02; H01H19/10; H01H19/11; H01H19/54; H01H19/56
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2186638A
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US2264045A
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US2451176A
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US2549998A
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US2459998A
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US2489626A
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US2586892A
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FR1128738A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-17 | 1964-10-17 | 1965-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-17 | 1968-10-17 | 1969-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-17 | 1972-10-17 | 1973-04-18 | $7700.00 | Window Closed / Lapsed |