US1420111A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: KRANTZ Manufacturing Co Inc
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Filing: 1917-08-17
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Granted: 1922-06-20
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Expires: 1937-08-17
Abstract
No abstract record available.
Inventors
- 👤 Hubert F Krantz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:05
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/20; H01H9/28; H01H9/285; H01H9/22
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) | 1925-06-19 | 1925-12-19 | 1926-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-06-19 | 1929-12-19 | 1930-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-06-19 | 1933-12-19 | 1934-06-20 | $7700.00 | Window Closed / Lapsed |