Patent US2328722A successfully refreshed from Google Patents.
US2328722A
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Adjustable pitch propeller
Assignee: ARTHUR E WRIGHT
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Filing: 1941-07-15
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Granted: 1943-09-07
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Expires: 1961-07-15
Abstract
No abstract record available.
Inventors
- 👤 Clarence B Jamison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:12
CPC Classifications
B; B64; B64C; B64C11/00; B64C11/02; B64C11/04; B64C11/06; B64C11/065; C; C10; C10M; C10M2201/00; C10M2201/02; C10M2207/00; C10M2207/10; C10M2207/16; C10M2207/20; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2219/00; C10M2219/04; C10M2219/044; C10N; C10N2030/00; C10N2030/12; C10N2040/00; C10N2040/20; C10N2040/22; C10N2040/24; C10N2040/241; C10N2040/242; C10N2040/243; C10N2040/244; C10N2040/245; C10N2040/246; C10N2040/247
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) | 1946-09-06 | 1947-03-08 | 1947-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-09-06 | 1951-03-08 | 1951-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-09-06 | 1955-03-08 | 1955-09-07 | $7700.00 | Window Closed / Lapsed |