US1426759A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for building laminated armature cores and the like
Assignee: City Machine & Tool Works
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Filing: 1920-07-02
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Granted: 1922-08-22
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Expires: 1940-07-02
Abstract
No abstract record available.
Inventors
- 👤 Frederick C Nickol
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:31
CPC Classifications
B; B21; B21D; B21D43/00; B21D43/20; B21D43/22; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5136; Y10T29/5137; Y10T29/5142; Y10T29/5192; Y10T29/53; Y10T29/5313; Y10T29/5317
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) | 1925-08-21 | 1926-02-20 | 1926-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-08-21 | 1930-02-20 | 1930-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-08-21 | 1934-02-20 | 1934-08-22 | $7700.00 | Window Closed / Lapsed |