US2595036A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for double flaring tubes
Assignee: Penn Aircraft Products Inc
•
Filing: 1948-06-26
•
Granted: 1952-04-29
•
Expires: 1968-06-26
Abstract
No abstract record available.
Inventors
- 👤 Glenn W Wolcott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:37
CPC Classifications
B; B21; B21D; B21D41/00; B21D41/02; B21D41/021
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE314831C
Cited
GB190930486A
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US1093331A
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US1491098A
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US2117543A
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US2132947A
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US2100939A
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US2242831A
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US2370089A
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US2430168A
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GB570093A
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US2424871A
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US2464510A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-29 | 1955-10-29 | 1956-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-29 | 1959-10-29 | 1960-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-29 | 1963-10-29 | 1964-04-29 | $7700.00 | Window Closed / Lapsed |