US3019491A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite truss deck
Assignee: Individual
•
Filing: 1958-02-10
•
Granted: 1962-02-06
•
Expires: 1978-02-10
Abstract
No abstract record available.
Inventors
- 👤 Arthur L Troutner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:32
CPC Classifications
E; E04; E04B; E04B5/00; E04B5/02; E04B5/10; E04B5/12; E04C; E04C3/00; E04C3/02; E04C3/29; E04C3/292; E04C3/38; E04C3/40; E04C3/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US810220A
Cited
US927545A
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US952305A
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US991722A
Cited
GB138692A
Cited
US1392096A
Cited
US1450240A
Cited
US1791278A
Cited
US2212184A
Cited
US2261510A
Cited
US2371421A
Cited
CH264837A
Cited
CH319869A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-05 | 1965-08-07 | 1966-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-05 | 1969-08-07 | 1970-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-05 | 1973-08-07 | 1974-02-06 | $7700.00 | Window Closed / Lapsed |