US2442009A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Peening device
Assignee: Micromatic Hone Corp
•
Filing: 1942-01-23
•
Granted: 1948-05-25
•
Expires: 1962-01-23
Abstract
No abstract record available.
Inventors
- 👤 John E Kline
- 👤 Douglas T Peden
- 👤 Charles S White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:08
CPC Classifications
B; B24; B24B; B24B39/00; B24B39/02; B24B39/026; Y; Y10; Y10T; Y10T29/00; Y10T29/47
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US864370A
Cited
US1841879A
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US2069099A
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US2149787A
Cited
US2170631A
Cited
US2190386A
Cited
US2350527A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-05-25 | 1951-11-24 | 1952-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-05-25 | 1955-11-24 | 1956-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-05-25 | 1959-11-24 | 1960-05-25 | $7700.00 | Window Closed / Lapsed |