Patent US4277903A successfully refreshed from Google Patents.
Patent US1583790A successfully refreshed from Google Patents.
US1583790A
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US
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Assignee: —
•
Filing: —
•
Granted: 1926-05-11
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Expires: 1943-05-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:52
CPC Classifications
B; B23; B23F; B23F5/00; B23F5/12; B23F5/14; Y; Y10; Y10T; Y10T409/00; Y10T409/10; Y10T409/101431; Y10T409/106519; Y10T409/107155; Y10T409/107314
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) | 1929-05-10 | 1929-11-09 | 1930-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-05-10 | 1933-11-09 | 1934-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-05-10 | 1937-11-09 | 1938-05-11 | $7700.00 | Window Closed / Lapsed |