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Patent US2798284A successfully refreshed from Google Patents.
US2798284A
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Methods of connecting intersecting members
Assignee: LIONWELD Ltd
•
Filing: 1954-03-02
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Granted: 1957-07-09
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Expires: 1974-03-02
Abstract
No abstract record available.
Inventors
- 👤 Mudd Derek Percival
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:32
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/30; E04C2/42; E04C2/421; E04C2/422; E04C2/425; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49616; Y10T29/4962; Y10T29/49623; Y10T29/49625; Y10T29/49627; Y10T29/49826; Y10T29/49908; Y10T29/49925
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1860980A
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US1288706A
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US1713314A
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US2194272A
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US2250617A
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US2256812A
Cited
US2347411A
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US2584832A
Cited
US2673390A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-08 | 1961-01-07 | 1961-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-08 | 1965-01-07 | 1965-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-08 | 1969-01-07 | 1969-07-09 | $7700.00 | Window Closed / Lapsed |