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Patent US1917428A successfully refreshed from Google Patents.
US1917428A
Expired / Lapsed
US
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Aircraft
Assignee: UPPERCU BURNELLI CORP
•
Filing: 1927-12-17
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Granted: 1933-07-11
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Expires: 1947-12-17
Abstract
No abstract record available.
Inventors
- 👤 Vincent J Burnelli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:07
CPC Classifications
B; B64; B64C; B64C9/00; B64C9/14; B64C9/28; Y; Y02; Y02T; Y02T50/00; Y02T50/30
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) | 1936-07-10 | 1937-01-09 | 1937-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-07-10 | 1941-01-09 | 1941-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-07-10 | 1945-01-09 | 1945-07-11 | $7700.00 | Window Closed / Lapsed |