Patent US1990338A successfully refreshed from Google Patents.
US1990338A
Expired / Lapsed
US
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Electric insecticide
Assignee: TECO Manufacturing CORP
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Filing: 1932-07-30
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Granted: 1935-02-05
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Expires: 1952-07-30
Abstract
No abstract record available.
Inventors
- 👤 Walter E Lippert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:30
CPC Classifications
A; A01; A01M; A01M1/00; A01M1/22; A01M1/223; A01M2200/00; A01M2200/01; A01M2200/011; A01M2200/012
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1938-02-04 | 1938-08-06 | 1939-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-02-04 | 1942-08-06 | 1943-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-02-04 | 1946-08-06 | 1947-02-05 | $7700.00 | Window Closed / Lapsed |