US2547391A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flange plow
Assignee: Individual
•
Filing: 1946-07-01
•
Granted: 1951-04-03
•
Expires: 1966-07-01
Abstract
No abstract record available.
Inventors
- 👤 Frederick J Hauschild
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:15
CPC Classifications
B; B25; B25B; B25B27/00; B25B27/0092; B23; B23P; B23P19/00; B23P19/02; B23P19/025; B23P6/00; B25D; B25D17/00; B25D17/02; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49815; Y10T29/49821; Y10T29/53; Y10T29/53909; Y10T29/5393
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US620426A
Cited
US1471062A
Cited
US2250848A
Cited
US2176626A
Cited
US2203158A
Cited
US2392495A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-02 | 1954-10-02 | 1955-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-02 | 1958-10-02 | 1959-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-02 | 1962-10-02 | 1963-04-03 | $7700.00 | Window Closed / Lapsed |