Patent US2688835A successfully refreshed from Google Patents.
US2688835A
Expired / Lapsed
US
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Pneumatic cotton-picking nozzle
Assignee: Individual
•
Filing: 1952-07-25
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Granted: 1954-09-14
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Expires: 1972-07-25
Abstract
No abstract record available.
Inventors
- 👤 Philip N Rawson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:37
CPC Classifications
A; A01; A01D; A01D46/00; A01D46/08; A01D46/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US26180A
Cited
US28980A
Cited
US31596A
Cited
US246818A
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US608689A
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US979788A
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US901619A
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US1184151A
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US1278175A
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US1439270A
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US1750541A
Cited
US1971349A
Cited
US2499693A
Cited
US2653438A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-13 | 1958-03-15 | 1958-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-13 | 1962-03-15 | 1962-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-13 | 1966-03-15 | 1966-09-14 | $7700.00 | Window Closed / Lapsed |