US1523360A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Boring machine
Assignee: Ingersoll Milling Machine Co
•
Filing: 1921-04-25
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Granted: 1925-01-13
•
Expires: 1941-04-25
Abstract
No abstract record available.
Inventors
- 👤 Everett K Morgan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:10
CPC Classifications
B; B23; B23B; B23B41/00; B23B41/12; Y; Y10; Y10S; Y10S408/00; Y10S408/709; Y10T; Y10T279/00; Y10T279/17; Y10T279/17888; Y10T408/00; Y10T408/16; Y10T408/17; Y10T408/172; Y10T408/18; Y10T408/36; Y10T408/38; Y10T408/3806
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) | 1928-01-13 | 1928-07-14 | 1929-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-01-13 | 1932-07-14 | 1933-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-01-13 | 1936-07-14 | 1937-01-13 | $7700.00 | Window Closed / Lapsed |