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US2872137A
Expired / Lapsed
US
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Sectional aircraft fuselage
Assignee: RTX Corp
•
Filing: 1955-07-11
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Granted: 1959-02-03
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Expires: 1975-07-11
Abstract
No abstract record available.
Inventors
- 👤 Michael E Gluhareff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:23
CPC Classifications
B; B64; B64C; B64C1/00; B64C1/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB723895A
Cited
US1768696A
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GB576125A
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US2565007A
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US2679827A
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DE913498C
Cited
US2736523A
Cited
US2778586A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-02 | 1962-08-04 | 1963-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-02 | 1966-08-04 | 1967-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-02 | 1970-08-04 | 1971-02-03 | $7700.00 | Window Closed / Lapsed |