US2768434A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Truss connection
Assignee: Easybow Engineering & Res Co
•
Filing: 1951-12-17
•
Granted: 1956-10-30
•
Expires: 1971-12-17
Abstract
No abstract record available.
Inventors
- 👤 Taylor Everett Ridley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:46
CPC Classifications
E; E04; E04C; E04C3/00; E04C3/02; E04C3/12; E04C3/17; E04B; E04B1/00; E04B1/18; E04B1/26; E04B1/2604; E04B1/38; E04B1/58; E04B2001/2644; E04B2001/2652; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49947; Y10T29/49948; Y10T29/49952; Y10T403/00; Y10T403/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US553903A
Cited
USRE21394E
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US874611A
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US1115307A
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US1391122A
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US1883897A
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US2098172A
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US2082144A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-30 | 1960-04-30 | 1960-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-30 | 1964-04-30 | 1964-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-30 | 1968-04-30 | 1968-10-30 | $7700.00 | Window Closed / Lapsed |