US2796959A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locked joint for metal structures
Assignee: Kawneer Co Inc
•
Filing: 1949-08-31
•
Granted: 1957-06-25
•
Expires: 1969-08-31
Abstract
No abstract record available.
Inventors
- 👤 Henry W Toney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:15
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/70; E06B3/82; E06B3/822; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/49936
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE478652C
Cited
US1686562A
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US1797440A
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US1801080A
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FR761184A
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US2142438A
Cited
US2240287A
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GB579602A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-24 | 1960-12-24 | 1961-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-24 | 1964-12-24 | 1965-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-24 | 1968-12-24 | 1969-06-25 | $7700.00 | Window Closed / Lapsed |