US2762069A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trussed bridge structure
Assignee: Individual
•
Filing: 1951-05-17
•
Granted: 1956-09-11
•
Expires: 1971-05-17
Abstract
No abstract record available.
Inventors
- 👤 John N Laycock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:17
CPC Classifications
E; E01; E01D; E01D15/00; E01D15/12; E01D15/133; E01D11/00; E01D11/02; E01D15/14; E01D15/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1115775A
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US1973584A
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US2480144A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-11 | 1960-03-12 | 1960-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-11 | 1964-03-12 | 1964-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-11 | 1968-03-12 | 1968-09-11 | $7700.00 | Window Closed / Lapsed |