Patent US2362234A successfully refreshed from Google Patents.
US2362234A
Expired / Lapsed
US
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Device for marking powder lines
Assignee: Individual
•
Filing: 1944-03-04
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Granted: 1944-11-07
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Expires: 1964-03-04
Abstract
No abstract record available.
Inventors
- 👤 Winslow H Barger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:31
CPC Classifications
E; E04; E04F; E04F21/00; B; B23; B23Q; B23Q17/00; B23Q17/22; B23Q17/2233; B25; B25H; B25H7/00; B25H7/04; B44; B44D; B44D3/00; B44D3/38
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) | 1947-11-07 | 1948-05-08 | 1948-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-11-07 | 1952-05-08 | 1952-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-11-07 | 1956-05-08 | 1956-11-07 | $7700.00 | Window Closed / Lapsed |