Patent US2114494A successfully refreshed from Google Patents.
US2114494A
Expired / Lapsed
US
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Insect extermination
Assignee: Individual
•
Filing: 1935-08-12
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Granted: 1938-04-19
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Expires: 1955-08-12
Abstract
No abstract record available.
Inventors
- 👤 Mildred E Hummel
- 👤 Ralph W Whitaker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:22
CPC Classifications
A; A01; A01M; A01M1/00; A01M1/20; A01M1/2094; A01M1/08; A01M3/00; A01M3/007; 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) | 1941-04-18 | 1941-10-18 | 1942-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-04-18 | 1945-10-18 | 1946-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-04-18 | 1949-10-18 | 1950-04-19 | $7700.00 | Window Closed / Lapsed |