Patent US2536231A successfully refreshed from Google Patents.
US2536231A
Expired / Lapsed
US
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Apparatus for producing air-borne particles of insecticide
Assignee: Gulf Research and Development Co
•
Filing: 1945-01-11
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Granted: 1951-01-02
•
Expires: 1965-01-11
Abstract
No abstract record available.
Inventors
- 👤 William A Simanton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:01
CPC Classifications
B; B05; B05B; B05B9/00; B05B9/03; B05B9/04; B05B9/08; B05B9/0805; Y; Y10; Y10T; Y10T137/00; Y10T137/9247
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US423857A
Cited
US1318928A
Cited
US685304A
Cited
US822826A
Cited
US1015987A
Cited
US1372968A
Cited
AT96985B
Cited
US1411573A
Cited
GB233584A
Cited
US1770033A
Cited
US1794185A
Cited
US1901960A
Cited
US2281604A
Cited
US2152812A
Cited
US2180084A
Cited
US2208490A
Cited
US2372392A
Cited
US2355550A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-01 | 1954-07-03 | 1955-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-01 | 1958-07-03 | 1959-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-01 | 1962-07-03 | 1963-01-02 | $7700.00 | Window Closed / Lapsed |