Patent US1584839A successfully refreshed from Google Patents.
US1584839A
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Ruling-edge device
Assignee: ARTHUR F PROBST
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Filing: 1922-02-07
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Granted: 1926-05-18
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Expires: 1942-02-07
Abstract
No abstract record available.
Inventors
- 👤 Damon W Cameron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:05
CPC Classifications
B; B43; B43L; B43L7/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49641; Y10T29/49826; Y10T29/4984; Y10T29/49845; Y10T29/49853; Y10T29/49908; Y10T29/49915; Y10T29/49917; Y10T29/49918
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) | 1929-05-17 | 1929-11-16 | 1930-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-05-17 | 1933-11-16 | 1934-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-05-17 | 1937-11-16 | 1938-05-18 | $7700.00 | Window Closed / Lapsed |