US1603629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Work holder
Assignee: Greenfield Tap & Die Corp
•
Filing: 1921-02-03
•
Granted: 1926-10-19
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Expires: 1941-02-03
Abstract
No abstract record available.
Inventors
- 👤 Ralph L Morgan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:02
CPC Classifications
B; B23; B23Q; B23Q1/00; B23Q1/70; B24; B24B; B24B41/00; B24B41/06; B24B41/061; Y; Y10; Y10S; Y10S29/00; Y10S29/068; Y10S409/00; Y10S409/903; Y10T; Y10T279/00; Y10T279/12; Y10T279/1241; Y10T279/17; Y10T279/17213; Y10T279/34; Y10T279/3481
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) | 1929-10-18 | 1930-04-19 | 1930-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-10-18 | 1934-04-19 | 1934-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-10-18 | 1938-04-19 | 1938-10-19 | $7700.00 | Window Closed / Lapsed |