US2619574A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal frame joint and method of manufacturing same
Assignee: AIR FACTORS
•
Filing: 1947-08-01
•
Granted: 1952-11-25
•
Expires: 1967-08-01
Abstract
No abstract record available.
Inventors
- 👤 Robert R Lambert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:57
CPC Classifications
B; B23; B23K; B23K33/00; F; F16; F16B; F16B2200/00; F16B2200/30; F16B2200/65
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1725937A
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US1093207A
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US1158307A
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US1524261A
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US1357156A
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US2049528A
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US2330207A
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US2335754A
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US2412175A
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US2462199A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-25 | 1956-05-26 | 1956-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-25 | 1960-05-26 | 1960-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-25 | 1964-05-26 | 1964-11-25 | $7700.00 | Window Closed / Lapsed |