US2854742A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of erecting bridge structures
Assignee: Individual
•
Filing: 1956-07-26
•
Granted: 1958-10-07
•
Expires: 1976-07-26
Abstract
No abstract record available.
Inventors
- 👤 Johnithan R Guild
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:25
CPC Classifications
E; E01; E01D; E01D21/00; E01D21/08; E01D2101/00; E01D2101/30; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE840849C
Cited
US2714011A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-06 | 1962-04-07 | 1962-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-06 | 1966-04-07 | 1966-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-06 | 1970-04-07 | 1970-10-07 | $7700.00 | Window Closed / Lapsed |