Patent US5087124A successfully refreshed from Google Patents.
US3034162A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable structural units, particularly bridge units
Assignee: Individual
•
Filing: 1956-11-02
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Granted: 1962-05-15
•
Expires: 1976-11-02
Abstract
No abstract record available.
Inventors
- 👤 Smith Charles Aquila Vincent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:54
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/343; E04B1/34336; E01; E01D; E01D15/00; E01D15/12; E01D15/127
Claims Analysis
Total Claims: 0
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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) | 1965-05-14 | 1965-11-13 | 1966-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-14 | 1969-11-13 | 1970-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-14 | 1973-11-13 | 1974-05-15 | $7700.00 | Window Closed / Lapsed |