Patent US3194312A successfully refreshed from Google Patents.
US1273379A
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US
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Handle.
Assignee: Trumbull Electric Manufacturing Co
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Filing: 1917-12-21
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Granted: 1918-07-23
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Expires: 1937-12-21
Abstract
No abstract record available.
Inventors
- 👤 Knud Knudson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:41
CPC Classifications
B; B25; B25B; B25B23/00; B25B23/0007; B25B23/0042; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17974; Y10T403/00; Y10T403/49; Y10T403/4974
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) | 1921-07-22 | 1922-01-21 | 1922-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-07-22 | 1926-01-21 | 1926-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-07-22 | 1930-01-21 | 1930-07-23 | $7700.00 | Window Closed / Lapsed |