Patent US2470326A successfully refreshed from Google Patents.
US2470326A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Earth anchor
Assignee: James R Kearney Corp
•
Filing: 1947-04-24
•
Granted: 1949-05-17
•
Expires: 1967-04-24
Abstract
No abstract record available.
Inventors
- 👤 Oscar F Tallman
- 👤 Kenneth R Runde
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 18:58
CPC Classifications
F; F16; F16G; F16G11/00; F16G11/04; Y; Y10; Y10T; Y10T403/00; Y10T403/71; Y10T403/7129; Y10T403/7135
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US603168A
Cited
US1073720A
Cited
FR475664A
Cited
US1442862A
Cited
US1437230A
Cited
US1827297A
Cited
US2149209A
Cited
US2193269A
Cited
US2303881A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-16 | 1952-11-15 | 1953-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-16 | 1956-11-15 | 1957-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-16 | 1960-11-15 | 1961-05-17 | $7700.00 | Window Closed / Lapsed |