US2582548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable logging tower
Assignee: ISAACSON IRON WORKS
•
Filing: 1946-04-01
•
Granted: 1952-01-15
•
Expires: 1966-04-01
Abstract
No abstract record available.
Inventors
- 👤 Harry D Larson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:14
CPC Classifications
E; E04; E04H; E04H12/00; E04H12/34; A; A01; A01G; A01G23/00; A01G23/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US463009A
Cited
US1790692A
Cited
US1558105A
Cited
US2128712A
Cited
US2191181A
Cited
US2210407A
Cited
US2275195A
Cited
US2362220A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-14 | 1955-07-16 | 1956-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-14 | 1959-07-16 | 1960-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-14 | 1963-07-16 | 1964-01-15 | $7700.00 | Window Closed / Lapsed |