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US2391983A
Expired / Lapsed
US
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Hole lapping machine
Assignee: Individual
•
Filing: 1944-11-21
•
Granted: 1946-01-01
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Expires: 1964-11-21
Abstract
No abstract record available.
Inventors
- 👤 Adolph D Kutzler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:34
CPC Classifications
B; B24; B24B; B24B5/00; B24B5/36; B24B5/48; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17957
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) | 1948-12-31 | 1949-07-02 | 1950-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-12-31 | 1953-07-02 | 1954-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-12-31 | 1957-07-02 | 1958-01-01 | $7700.00 | Window Closed / Lapsed |