US2440440A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Edge sanding machine
Assignee: Individual
•
Filing: 1946-04-29
•
Granted: 1948-04-27
•
Expires: 1966-04-29
Abstract
No abstract record available.
Inventors
- 👤 Oscar E Hadwiger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 00:33
CPC Classifications
B; B24; B24B; B24B7/00; B24B7/10; B24B7/18; B24B7/188; Y; Y10; Y10S; Y10S29/00; Y10S29/079
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US394980A
Cited
US1619158A
Cited
US1951105A
Cited
US2001098A
Cited
US2068347A
Cited
US2251442A
Cited
US2201420A
Cited
US2169954A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-04-27 | 1951-10-27 | 1952-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-04-27 | 1955-10-27 | 1956-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-04-27 | 1959-10-27 | 1960-04-27 | $7700.00 | Window Closed / Lapsed |