Patent US3177609A successfully refreshed from Google Patents.
US3177609A
Expired / Lapsed
US
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Electrical exterminator for insects
Assignee: Individual
•
Filing: 1963-04-17
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Granted: 1965-04-13
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Expires: 1983-04-17
Abstract
No abstract record available.
Inventors
- 👤 Marco Samuel S De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:14
CPC Classifications
A; A01; A01M; A01M1/00; A01M1/22; A01M1/223; A01M1/02; A01M1/04; A01M2200/00; A01M2200/01; A01M2200/012
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |