US2464510A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tube flaring machine
Assignee: Parker Appliance Co
•
Filing: 1945-01-10
•
Granted: 1949-03-15
•
Expires: 1965-01-10
Abstract
No abstract record available.
Inventors
- 👤 Henry E Hull
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:55
CPC Classifications
B; B21; B21D; B21D41/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US410000A
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US943907A
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US1026993A
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US1058669A
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US1102818A
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US1472278A
Cited
US1440032A
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US2117543A
Cited
US2100939A
Cited
US2227820A
Cited
US2242831A
Cited
US2370089A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-14 | 1952-09-13 | 1953-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-14 | 1956-09-13 | 1957-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-14 | 1960-09-13 | 1961-03-15 | $7700.00 | Window Closed / Lapsed |