US2799403A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crane construction
Assignee: Individual
•
Filing: 1955-04-11
•
Granted: 1957-07-16
•
Expires: 1975-04-11
Abstract
No abstract record available.
Inventors
- 👤 Elliott A Friedman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:20
CPC Classifications
B; B63; B63B; B63B27/00; B63B27/10; B63B27/12; B66; B66C; B66C7/00; B66C2700/00; B66C2700/01; B66C2700/012
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-15 | 1961-01-14 | 1961-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-15 | 1965-01-14 | 1965-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-15 | 1969-01-14 | 1969-07-16 | $7700.00 | Window Closed / Lapsed |