US2160476A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine tool
Assignee: Ingersoll Milling Machine Co
•
Filing: 1936-04-22
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Granted: 1939-05-30
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Expires: 1956-04-22
Abstract
No abstract record available.
Inventors
- 👤 Frederick J Kampmeier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:15
CPC Classifications
B; B23; B23Q; B23Q7/00; B23Q7/14; B23Q7/1426; B23Q7/1478; B23Q7/1489; Y; Y10; Y10S; Y10S408/00; Y10S408/708; Y10T; Y10T29/00; Y10T29/51; Y10T29/5196; Y10T408/00; Y10T408/13; Y10T408/15; Y10T408/16; Y10T408/17; Y10T408/173; Y10T408/36; Y10T408/38; Y10T408/3806; Y10T408/3833; Y10T408/50; Y10T409/00; Y10T409/30; Y10T409/304536; Y10T409/304648; Y10T409/30476; Y10T409/30532; Y10T409/305432
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) | 1942-05-29 | 1942-11-28 | 1943-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-05-29 | 1946-11-28 | 1947-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-05-29 | 1950-11-28 | 1951-05-30 | $7700.00 | Window Closed / Lapsed |