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US2390339A
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Magnetic hand tool
Assignee: ULLMAN
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Filing: 1945-05-09
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Granted: 1945-12-04
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Expires: 1965-05-09
Abstract
No abstract record available.
Inventors
- 👤 Ullman Robert
- 👤 Brauner Fred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:01
CPC Classifications
B; B03; B03C; B03C1/00; B03C1/02; B03C1/28; Y; Y10; Y10S; Y10S211/00; Y10S211/01; Y10S29/00; Y10S29/105; Y10S7/00; Y10S7/901; Y10T; Y10T29/00; Y10T29/53; Y10T29/53909
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1948-12-03 | 1949-06-04 | 1949-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-12-03 | 1953-06-04 | 1953-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-12-03 | 1957-06-04 | 1957-12-04 | $7700.00 | Window Closed / Lapsed |