Patent US1409243A successfully refreshed from Google Patents.
US1409243A
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Assignee: SCHMIDT NORGREN CO
•
Filing: 1918-12-06
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Granted: 1922-03-14
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Expires: 1938-12-06
Abstract
No abstract record available.
Inventors
- 👤 Schmidt Carl Hugo
- 👤 Norgren Oscar Birger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:39
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/08; B23Q35/10; B23Q35/101; B23Q35/102; Y; Y10; Y10T; Y10T82/00; Y10T82/14; Y10T82/141; Y10T82/25; Y10T82/2524; Y10T82/2531; Y10T82/2541; Y10T82/2543
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) | 1925-03-13 | 1925-09-12 | 1926-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-03-13 | 1929-09-12 | 1930-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-03-13 | 1933-09-12 | 1934-03-14 | $7700.00 | Window Closed / Lapsed |